| Charmarite-2H Mineral Data |

General Charmarite-2H Information |
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| Mn++4Al2(CO3)(OH)12·3(H2O) | |||
| Molecular Weight = 591.86 gm | |||
| Manganese 37.13 % Mn 47.94 % MnO | |||
| Aluminum 9.12 % Al 17.23 % Al2O3 | |||
| Hydrogen 3.07 % H 27.39 % H2O | |||
| Carbon 2.03 % C 7.44 % CO2 | |||
| Oxygen 48.66 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+4Al2(CO3)(OH)12·3(H2O) | |||
| In silicate and carbonate cavities and in pegmatites in nepheline syenite. The Mn-dominant analogue of caresite and quintinite. | |||
| Approved IMA 1995 | |||
| Mt. St.-Hilaire, QUE, Canada. Link to MinDat.org Location Data. | |||
| Named for Charles (1917-) and Marcelle (1918-) Weber, amateur mineralogist of Guilford, CT, who contributed extensively to the knowledge of Mt. St.-Hilaire and also found the minera l. | |||
| IMA1992-026 | |||
Search for Charmarite-2H Images | |||
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Charmarite-2H Crystallography |
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| a:c = 1:1.3746 | |||
| a = 10.985, c = 15.1, Z = 4; V = 1,578.00 Den(Calc)= 2.49 | |||
| Hexagonal - TrapezohedralH-M Symbol (6 2 2) Space Group: P 6322 | |||
| By Intensity(I/Io): 7.53(1), 3.768(0.6), 2.578(0.5), | |||
Physical Properties of Charmarite-2H |
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| Orange brown, Pale brown, Pale blue, Colorless. | |||
| 2.5 | |||
| Transparent | |||
| Tabular - Form dimensions are thin in one direction. | |||
| 2.5 - Finger Nail | |||
| Vitreous (Glassy) | |||
Optical Properties of Charmarite-2H |
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| CI meas= 0.051 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.047 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2277,KPDmeas= 0.2268,KC= 0.2389 |
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| Uniaxial (-), e=1.547, w=1.587, bire=0.0400. | |||
Calculated Properties of Charmarite-2H |
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relectron=2.47 gm/cc |
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| Fermion Index = 0.00046 Boson Index = 0.99954 |
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PECharmarite-2H = 9.61 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Charmarite-2H is Not Radioactive |
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Charmarite-2H Classification |
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| 16b.6.4.4 (16b)Carbonates - Hydroxyl or Halogen | |||
| (16b.6)Dana Type | |||
| (16b.6.4)Dana Group | |||
| V/E.02-08 V - Nitrates, Carbonates and Borates | |||
| V/E - Water-bearing carbonates with unfamiliar anions | |||
| V/E.02 - Manasseite group | |||
Other Charmarite-2H Information |
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| NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.83,p1347,1998) OPTIC PROP.(Dana8) | |||
| Links to other databases for Charmarite-2H : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas Search for Charmarite-2H using: Visit our Advertisers for Charmarite-2H : Translate Charmarite-2H Mineral Data : Ask about Charmarite-2H here : Print or Cut-and-Paste your Charmarite-2H Specimen Label here :
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