Bald Knob deposit, Bald Knob, Sparta, Alleghany County, North Carolina, USAi
| Regional Level Types | |
|---|---|
| Bald Knob deposit | Deposit |
| Bald Knob | Mountain |
| Sparta | Town |
| Alleghany County | County |
| North Carolina | State |
| USA | Country |
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Latitude & Longitude (WGS84):
36° 32' 59'' North , 81° 5' 44'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sparta | 1,726 (2017) | 5.4km |
| Independence | 927 (2017) | 9.5km |
| Galax | 6,914 (2017) | 19.7km |
| Lowgap | 324 (2017) | 20.6km |
| Fries | 469 (2017) | 21.2km |
Mindat Locality ID:
4036
Long-form identifier:
mindat:1:2:4036:8
GUID (UUID V4):
e9c678ce-16b2-486b-a2d4-d9b9c8243e5c
Other/historical names associated with this locality:
Primary ore body; Crouse Knob deposit
A manganese mine located 2.5 miles (ca. 4 km) East of Sparta.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
42 valid minerals. 3 (TL) - type locality of valid minerals.
Detailed Mineral List:
| ⓘ Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| ⓘ Alabandite Formula: MnS References: |
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Albite var. Andesine Formula: (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ Alleghanyite (TL) Formula: Mn2+5(SiO4)2(OH)2 Type Locality: Habit: rounded grains Colour: brownish pink Description: Alleghanyite and Mn-rich calcite occur in alternating lenses in a carbonate paragenesis. These lenses may not be more than one millimeter wide, but can be up to 15 mm wide. The individual rounded alleghanyite grains are up to 5 mm in diameter. References: Ross, Clarence S., Kerr, Paul F. (1932) The manganese minerals of a vein near Bald Knob, North Carolina. American Mineralogist, 17 (1) 1-18 |
| ⓘ Andradite Formula: Ca3Fe3+2(SiO4)3 References: |
| ⓘ Anthophyllite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
| ⓘ Bannisterite ? Formula: (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| ⓘ Bementite Formula: Mn7Si6O15(OH)8 |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Calcite var. Manganese-bearing Calcite Formula: (Ca,Mn)CO3 References: |
| ⓘ Caryopilite Formula: Mn2+3Si2O5(OH)4 References: |
| ⓘ Cattierite Formula: CoS2 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 References: |
| ⓘ 'Chlorite Group' |
| ⓘ 'Clino-ferro-suenoite' Formula: ◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
| ⓘ Clino-suenoite Formula: ◻{Mn2+2}{Mg5}(Si8O22)(OH)2 Description: Can be a synonym in some older references as Tirodite. |
| ⓘ Cobaltite Formula: CoAsS References: |
| ⓘ Cummingtonite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F References: |
| ⓘ Galaxite (TL) Formula: Mn2+Al2O4 Type Locality: Description: Galaxite and Jacobsite can be as intergrowths or as sepearate grains. |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Grunerite Formula: ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| ⓘ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ Jacobsite Formula: Mn2+Fe3+2O4 References: |
| ⓘ Kellyite (TL) Formula: Mn2+2Al(AlSiO5)(OH)4 Type Locality: |
| ⓘ Kutnohorite Formula: CaMn2+(CO3)2 |
| ⓘ Linnaeite Formula: Co2+Co3+2S4 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Manganhumite Formula: (Mn2+,Mg)7(SiO4)3(OH)2 References: |
| ⓘ Margarite Formula: CaAl2(Al2Si2O10)(OH)2 |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ Neotocite Formula: (Mn,Fe,Mg)SiO3 · H2O |
| ⓘ Pennantite Formula: Mn2+5Al(AlSi3O10)(OH)8 |
| ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrolusite Formula: Mn4+O2 |
| ⓘ Pyrophanite Formula: Mn2+TiO3 |
| ⓘ Pyroxmangite Formula: Mn2+SiO3 References: |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Rhodochrosite Formula: MnCO3 References: |
| ⓘ Rhodonite Formula: CaMn3Mn[Si5O15] References: |
| ⓘ Sonolite Formula: Mn2+9(SiO4)4(OH)2 References: |
| ⓘ Spessartine Formula: Mn2+3Al2(SiO4)3 References: |
| ⓘ Stilpnomelane Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O References: |
| ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane Formula: K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 References: |
| ⓘ Tephroite Formula: Mn2+2SiO4 References: |
| ⓘ Trimerite ? Formula: CaMn2+2Be3(SiO4)3 |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Alabandite | 2.CD.10 | MnS |
| ⓘ | Linnaeite | 2.DA.05 | Co2+Co3+2S4 |
| ⓘ | Cattierite | 2.EB.05a | CoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Cobaltite | 2.EB.25 | CoAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Jacobsite | 4.BB.05 | Mn2+Fe3+2O4 |
| ⓘ | Galaxite (TL) | 4.BB.05 | Mn2+Al2O4 |
| ⓘ | Pyrophanite | 4.CB.05 | Mn2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | var. Manganese-bearing Calcite | 5.AB.05 | (Ca,Mn)CO3 |
| ⓘ | Rhodochrosite | 5.AB.05 | MnCO3 |
| ⓘ | Kutnohorite | 5.AB.10 | CaMn2+(CO3)2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| ⓘ | Trimerite ? | 9.AB.05 | CaMn2+2Be3(SiO4)3 |
| ⓘ | Tephroite | 9.AC.05 | Mn2+2SiO4 |
| ⓘ | Spessartine | 9.AD.25 | Mn2+3Al2(SiO4)3 |
| ⓘ | Andradite | 9.AD.25 | Ca3Fe3+2(SiO4)3 |
| ⓘ | Alleghanyite (TL) | 9.AF.45 | Mn2+5(SiO4)2(OH)2 |
| ⓘ | Manganhumite | 9.AF.50 | (Mn2+,Mg)7(SiO4)3(OH)2 |
| ⓘ | Sonolite | 9.AF.55 | Mn2+9(SiO4)4(OH)2 |
| ⓘ | Anthophyllite | 9.DD.05 | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Clino-suenoite | 9.DE. | ◻{Mn2+2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Cummingtonite | 9.DE.05 | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Grunerite | 9.DE.05 | ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| ⓘ | Actinolite | 9.DE.10 | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| ⓘ | 'Clino-ferro-suenoite' | 9.DE.10 | ◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
| ⓘ | Rhodonite | 9.DK.05 | CaMn3Mn[Si5O15] |
| ⓘ | Pyroxmangite | 9.DO.05 | Mn2+SiO3 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| ⓘ | Margarite | 9.EC.30 | CaAl2(Al2Si2O10)(OH)2 |
| ⓘ | Pennantite | 9.EC.55 | Mn2+5Al(AlSi3O10)(OH)8 |
| ⓘ | Kellyite (TL) | 9.ED.15 | Mn2+2Al(AlSiO5)(OH)4 |
| ⓘ | Caryopilite | 9.ED.15 | Mn2+3Si2O5(OH)4 |
| ⓘ | Neotocite | 9.ED.20 | (Mn,Fe,Mg)SiO3 · H2O |
| ⓘ | Bementite | 9.EE.05 | Mn7Si6O15(OH)8 |
| ⓘ | Stilpnomelane var. Manganese-bearing Stilpnomelane | 9.EG.40 | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| ⓘ | 9.EG.40 | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O | |
| ⓘ | Bannisterite ? | 9.EG.75 | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ | var. Andesine | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| Unclassified | |||
| ⓘ | 'Hornblende Root Name Group' | - | ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| H | ⓘ Alleghanyite | Mn52+(SiO4)2(OH)2 |
| H | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| H | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| H | ⓘ Bementite | Mn7Si6O15(OH)8 |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Caryopilite | Mn32+Si2O5(OH)4 |
| H | ⓘ Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| H | ⓘ Grunerite | ◻{Fe22+}{Fe52+}(Si8O22)(OH)2 |
| H | ⓘ Kellyite | Mn22+Al(AlSiO5)(OH)4 |
| H | ⓘ Manganhumite | (Mn2+,Mg)7(SiO4)3(OH)2 |
| H | ⓘ Margarite | CaAl2(Al2Si2O10)(OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| H | ⓘ Pennantite | Mn52+Al(AlSi3O10)(OH)8 |
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | ⓘ Sonolite | Mn92+(SiO4)4(OH)2 |
| H | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| H | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| H | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Clino-suenoite | ◻{Mn22+}{Mg5}(Si8O22)(OH)2 |
| H | ⓘ Clino-ferro-suenoite | ◻{Mn22+}{Fe52+}(Si8O22)(OH)2 |
| Be | Beryllium | |
| Be | ⓘ Trimerite | CaMn22+Be3(SiO4)3 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| C | ⓘ Calcite var. Manganese-bearing Calcite | (Ca,Mn)CO3 |
| C | ⓘ Rhodochrosite | MnCO3 |
| O | Oxygen | |
| O | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Alleghanyite | Mn52+(SiO4)2(OH)2 |
| O | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| O | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| O | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| O | ⓘ Bementite | Mn7Si6O15(OH)8 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Caryopilite | Mn32+Si2O5(OH)4 |
| O | ⓘ Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Galaxite | Mn2+Al2O4 |
| O | ⓘ Grunerite | ◻{Fe22+}{Fe52+}(Si8O22)(OH)2 |
| O | ⓘ Jacobsite | Mn2+Fe23+O4 |
| O | ⓘ Kellyite | Mn22+Al(AlSiO5)(OH)4 |
| O | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| O | ⓘ Manganhumite | (Mn2+,Mg)7(SiO4)3(OH)2 |
| O | ⓘ Calcite var. Manganese-bearing Calcite | (Ca,Mn)CO3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Margarite | CaAl2(Al2Si2O10)(OH)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Pennantite | Mn52+Al(AlSi3O10)(OH)8 |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Pyrophanite | Mn2+TiO3 |
| O | ⓘ Pyroxmangite | Mn2+SiO3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rhodochrosite | MnCO3 |
| O | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| O | ⓘ Sonolite | Mn92+(SiO4)4(OH)2 |
| O | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| O | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| O | ⓘ Tephroite | Mn22+SiO4 |
| O | ⓘ Trimerite | CaMn22+Be3(SiO4)3 |
| O | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| O | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Clino-suenoite | ◻{Mn22+}{Mg5}(Si8O22)(OH)2 |
| O | ⓘ Clino-ferro-suenoite | ◻{Mn22+}{Fe52+}(Si8O22)(OH)2 |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| F | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Mg | Magnesium | |
| Mg | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Mg | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Mg | ⓘ Manganhumite | (Mn2+,Mg)7(SiO4)3(OH)2 |
| Mg | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Mg | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Mg | ⓘ Clino-suenoite | ◻{Mn22+}{Mg5}(Si8O22)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Galaxite | Mn2+Al2O4 |
| Al | ⓘ Kellyite | Mn22+Al(AlSiO5)(OH)4 |
| Al | ⓘ Margarite | CaAl2(Al2Si2O10)(OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Pennantite | Mn52+Al(AlSi3O10)(OH)8 |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Al | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Al | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Al | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Si | Silicon | |
| Si | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Alleghanyite | Mn52+(SiO4)2(OH)2 |
| Si | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Si | ⓘ Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Si | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Si | ⓘ Bementite | Mn7Si6O15(OH)8 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Caryopilite | Mn32+Si2O5(OH)4 |
| Si | ⓘ Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Si | ⓘ Grunerite | ◻{Fe22+}{Fe52+}(Si8O22)(OH)2 |
| Si | ⓘ Kellyite | Mn22+Al(AlSiO5)(OH)4 |
| Si | ⓘ Manganhumite | (Mn2+,Mg)7(SiO4)3(OH)2 |
| Si | ⓘ Margarite | CaAl2(Al2Si2O10)(OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Pennantite | Mn52+Al(AlSi3O10)(OH)8 |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Pyroxmangite | Mn2+SiO3 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Si | ⓘ Sonolite | Mn92+(SiO4)4(OH)2 |
| Si | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Si | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Si | ⓘ Tephroite | Mn22+SiO4 |
| Si | ⓘ Trimerite | CaMn22+Be3(SiO4)3 |
| Si | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Si | ⓘ Clino-suenoite | ◻{Mn22+}{Mg5}(Si8O22)(OH)2 |
| Si | ⓘ Clino-ferro-suenoite | ◻{Mn22+}{Fe52+}(Si8O22)(OH)2 |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Alabandite | MnS |
| S | ⓘ Cattierite | CoS2 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Cobaltite | CoAsS |
| S | ⓘ Linnaeite | Co2+Co23+S4 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Cl | Chlorine | |
| Cl | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| K | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| K | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Ca | Calcium | |
| Ca | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Ca | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Ca | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| Ca | ⓘ Calcite var. Manganese-bearing Calcite | (Ca,Mn)CO3 |
| Ca | ⓘ Margarite | CaAl2(Al2Si2O10)(OH)2 |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Ca | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Ca | ⓘ Trimerite | CaMn22+Be3(SiO4)3 |
| Ca | ⓘ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Pyrophanite | Mn2+TiO3 |
| Mn | Manganese | |
| Mn | ⓘ Alabandite | MnS |
| Mn | ⓘ Alleghanyite | Mn52+(SiO4)2(OH)2 |
| Mn | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Mn | ⓘ Bementite | Mn7Si6O15(OH)8 |
| Mn | ⓘ Caryopilite | Mn32+Si2O5(OH)4 |
| Mn | ⓘ Galaxite | Mn2+Al2O4 |
| Mn | ⓘ Jacobsite | Mn2+Fe23+O4 |
| Mn | ⓘ Kellyite | Mn22+Al(AlSiO5)(OH)4 |
| Mn | ⓘ Kutnohorite | CaMn2+(CO3)2 |
| Mn | ⓘ Manganhumite | (Mn2+,Mg)7(SiO4)3(OH)2 |
| Mn | ⓘ Calcite var. Manganese-bearing Calcite | (Ca,Mn)CO3 |
| Mn | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| Mn | ⓘ Pennantite | Mn52+Al(AlSi3O10)(OH)8 |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Mn | ⓘ Pyrophanite | Mn2+TiO3 |
| Mn | ⓘ Pyroxmangite | Mn2+SiO3 |
| Mn | ⓘ Rhodochrosite | MnCO3 |
| Mn | ⓘ Rhodonite | CaMn3Mn[Si5O15] |
| Mn | ⓘ Sonolite | Mn92+(SiO4)4(OH)2 |
| Mn | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Mn | ⓘ Tephroite | Mn22+SiO4 |
| Mn | ⓘ Trimerite | CaMn22+Be3(SiO4)3 |
| Mn | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Mn | ⓘ Clino-suenoite | ◻{Mn22+}{Mg5}(Si8O22)(OH)2 |
| Mn | ⓘ Clino-ferro-suenoite | ◻{Mn22+}{Fe52+}(Si8O22)(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Fe | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Fe | ⓘ Bannisterite | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8 · nH2O |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Grunerite | ◻{Fe22+}{Fe52+}(Si8O22)(OH)2 |
| Fe | ⓘ Jacobsite | Mn2+Fe23+O4 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O |
| Fe | ⓘ Stilpnomelane var. Manganese-bearing Stilpnomelane | K(Fe2+,Mn,Mg,Fe3+)8(Si,Al)12(O,OH)27 |
| Fe | ⓘ Clino-ferro-suenoite | ◻{Mn22+}{Fe52+}(Si8O22)(OH)2 |
| Co | Cobalt | |
| Co | ⓘ Cattierite | CoS2 |
| Co | ⓘ Cobaltite | CoAsS |
| Co | ⓘ Linnaeite | Co2+Co23+S4 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| As | Arsenic | |
| As | ⓘ Cobaltite | CoAsS |
Other Databases
| Link to USGS MRDS: | 10150753 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
USA
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References
Ross, Clarence S., Kerr, Paul F. (1932) The manganese minerals of a vein near Bald Knob, North Carolina. American Mineralogist, 17 (1) 1-18
Peacor, Donald R., Essene, Eric J., Simmons, William B., Bigelow, and Wilbur C. (1974) Kellyite, a new Mn-Al member of the serpentine group from Bald Knob, North Carolina, and new data on grovesite. American Mineralogist, 59 (11-12) 1153-1156
Winter, Gary A., Essene, Eric J., Peacor, Donald R. (1981) Carbonates and pyroxenoids from the manganese deposit near Bald Knob, North Carolina. American Mineralogist, 66 (3-4) 278-289
Winter, G. A., Essene, E. J., Peacor, D. R. (1983) Mn-humites from Bald Knob, North Carolina: mineralogy and phase equilibria. American Mineralogist, 68 (9-10) 951-959
