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Unnamed Chromite prospects, Bare Hills, Baltimore Co., Maryland, USAi
Regional Level Types
Unnamed Chromite prospectsGroup of Prospects
Bare HillsGroup of Hills
Baltimore Co.County
MarylandState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
39° 23' 8'' North , 76° 39' 32'' West
Latitude & Longitude (decimal):
Locality type:
Group of Prospects
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Lutherville6,504 (2011)4.9km
Towson55,197 (2011)5.2km
Mays Chapel11,420 (2011)5.4km
Arlington3,065 (2018)5.5km
Pikesville30,764 (2011)5.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Baltimore Mineral SocietyBaltimore, Maryland11km
Chesapeake Gem & Mineral SocietyBaltimore, Maryland11km
Gem Cutters Guild of Baltimore, Inc.Baltimore, Maryland11km
Central Maryland Rock and Mineral Collectors ExchangeElkridge, Maryland20km
Patuxent Lapidary GuildAnnapolis, Maryland47km


In the Bare Hills Serpentine Barrens numerous chromite shafts and pits where the first commercial deposit of chromite was worked by the Tysons.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

'Chlorite Group'
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Magnesite
Formula: MgCO3
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Opal
Formula: SiO2 · nH2O
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Quartz
Formula: SiO2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
Quartz var. Chalcedony
Formula: SiO2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Reference: A.Mathauser collection
Talc
Formula: Mg3Si4O10(OH)2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 297p.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var. Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H TalcMg3Si4O10(OH)2
H OpalSiO2 · nH2O
H Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C MagnesiteMgCO3
OOxygen
O ChromiteFe2+Cr23+O4
O TalcMg3Si4O10(OH)2
O Quartz var. ChalcedonySiO2
O OpalSiO2 · nH2O
O Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
O MagnetiteFe2+Fe23+O4
O MagnesiteMgCO3
O QuartzSiO2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mg TalcMg3Si4O10(OH)2
Mg Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mg MagnesiteMgCO3
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si TalcMg3Si4O10(OH)2
Si Quartz var. ChalcedonySiO2
Si OpalSiO2 · nH2O
Si Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Si QuartzSiO2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Serpentine SubgroupD3[Si2O5](OH)4
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
FeIron
Fe ChromiteFe2+Cr23+O4
Fe MagnetiteFe2+Fe23+O4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 29p.

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