Organovaite-Mn
A valid IMA mineral species
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About Organovaite-Mn
Formula:
K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O
Colour:
Pinkish in various shades, rose-brown, yellow-brown
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.88
Crystal System:
Monoclinic
Member of:
Name:
Named for Natalia Ivanovna Organova (Наталия Ивановна Оргáнова) (4 October 1929, Moscow - 20 September 2019, Moscow, Russia), crystallographer. The suffix/modifier follows the IMA recommended nomeclature for labuntsovite-group minerals.
Compare with Organovaite-Zn.
Comment on originally uploaded photos:
https://www.mindat.org/mesg-7-460881.html
Comment on originally uploaded photos:
https://www.mindat.org/mesg-7-460881.html
Unique Identifiers
Mindat ID:
29110
Long-form identifier:
mindat:1:1:29110:3
GUID
(UUID V4):
(UUID V4):
d600ea02-c560-40d6-a4ca-8da44856000b
IMA Classification of Organovaite-Mn
Classification of Organovaite-Mn
9.CE.30g
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Org-Mn | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Organovaite-Mn
Vitreous
Transparency:
Transparent, Translucent
Colour:
Pinkish in various shades, rose-brown, yellow-brown
Streak:
White
Hardness:
5 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.88 g/cm3 (Measured) 2.92 g/cm3 (Calculated)
Optical Data of Organovaite-Mn
Type:
Biaxial (+)
RI values:
nα = 1.683 nβ = 1.692 nγ = 1.775
2V:
Calculated: 38°
Max Birefringence:
δ = 0.092
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
weak
Pleochroism:
Visible
Comments:
X, Z: colourless
Y: light brown
Y: light brown
Chemistry of Organovaite-Mn
Mindat Formula:
K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O
Crystallography of Organovaite-Mn
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 14.551 Å, b = 14.001 Å, c = 15.702 Å
β = 117.584°
β = 117.584°
Ratio:
a:b:c = 1.039 : 1 : 1.121
Unit Cell V:
2,835.33 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.99 Å | (100) |
6.43 Å | (25) |
4.936 Å | (28) |
3.227 Å | (89) |
3.123 Å | (68) |
2.607 Å | (25) |
2.520 Å | (29) |
Comments:
Powder diffractogram, MoKalpha radiation
Format: d/A (I/%) (hkl)
Format: d/A (I/%) (hkl)
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Organovaite-Mn
General Appearance of Type Material:
Stubby prismatic crystals up to 0.3 mm, and pseudomorphs after vuonnemite crystals up to 4 cm.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of Type Material:
Ultrabasic massif.
Associated Minerals at Type Locality:
Synonyms of Organovaite-Mn
Other Language Names for Organovaite-Mn
Simplified Chinese:硅钾锰钛铌石
Relationship of Organovaite-Mn to other Species
Member of:
Other Members of this group:
Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O | Mon. 2/m : B2/m |
Common Associates
Associated Minerals Based on Photo Data:
2 photos of Organovaite-Mn associated with Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) |
Related Minerals - Strunz-mindat Grouping
9.CE. | Dutkevichite-(Ce) | NaZnBa2Ce2Ti2Si8O26F · H2O |
9.CE. | Niobobaotite | Ba4(Ti2.5Fe2+1.5)Nb4Si4O28Cl |
9.CE.05 | Papagoite | CaCu[H3AlSi2O9] |
9.CE.10 | Verplanckite | Ba4Mn2+2Si4O12(OH,H2O)3Cl3 |
9.CE.15 | Baotite | Ba4(Ti,Nb,W)8O16(SiO3)4Cl |
9.CE.20 | Nagashimalite | Ba4(V,Ti)4B2Si8O27(O,OH)2Cl |
9.CE.20 | Taramellite | Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx |
9.CE.20 | Titantaramellite | Ba4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx |
9.CE.25 | Bario-orthojoaquinite | (Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O |
9.CE.25 | Byelorussite-(Ce) | NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O |
9.CE.25 | Joaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O |
9.CE.25 | Orthojoaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O |
9.CE.25 | Strontiojoaquinite | Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O |
9.CE.25 | Strontio-orthojoaquinite | (Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2O |
9.CE.25 | Orthojoaquinite-(La) | NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O |
9.CE.30a | Unnamed (Ca-Na-ordered analogue of Korobitsynite) | (Ca,Na)2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O |
9.CE.30e | Labuntsovite-Mn | Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O |
9.CE.30a | Nenadkevichite | (Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O |
9.CE.30d | Lemmleinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O |
9.CE.30a | Korobitsynite | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O |
9.CE.30c | Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O |
9.CE.30b | Vuoriyarvite-K | K2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O |
9.CE.30b | Tsepinite-Na | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O |
9.CE.30c | Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O |
9.CE.30e | Labuntsovite-Mg | Na4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O |
9.CE.30e | Labuntsovite-Fe | Na4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O |
9.CE.30d | Lemmleinite-Ba | Na2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O |
9.CE.30c | Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O |
9.CE.30h | Neskevaaraite-Fe | K3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O |
9.CE.30b | Tsepinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O |
9.CE.30b | Paratsepinite-Ba | Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O |
9.CE.30b | Tsepinite-Ca | Ca(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O |
9.CE.30h | Alsakharovite-Zn | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O |
9.CE.30c | Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O |
9.CE.30c | Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O |
9.CE.30b | Tsepinite-Sr | Sr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O |
9.CE.30b | Paratsepinite-Na | (Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8 |
9.CE.30f | Paralabuntsovite-Mg | Na8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2O |
9.CE.30c | Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O |
9.CE.30c | Gjerdingenite-Na | K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O |
9.CE.30h | Gutkovaite-Mn | K2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O |
9.CE.30c | Kuzmenkoite-Zn | K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O |
9.CE.30g | Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O |
9.CE.30g | Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O |
9.CE.30c | Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O |
9.CE.45 | Komarovite | (Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2O |
9.CE.45 | Natrokomarovite | (Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Organovaite-Mn
mindat.org URL:
https://www.mindat.org/min-29110.html
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References for Organovaite-Mn
Reference List:
Chukanov, N. V., Pekov, I. V., Zadov, A. E., Krivovichev, S. V., Berns, P. C., Schneider, Y. (2001) Organovaite-Mn, K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O, a new labuntsovite group mineral from Lovozero Massif, Kola Peninsula. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 130 (2) 46-53
Localities for Organovaite-Mn
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Chukanov et al. (2001) |
Pekov et al. (2007) | |
Chukanov et al. (2001) +1 other reference |
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Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia