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Chambersite Mineral Data + |
General Chambersite Information |
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| Mn3B7O13Cl | |||
| Molecular Weight = 483.93 gm | |||
| Manganese 34.06 % Mn 43.98 % MnO | |||
| Boron 15.64 % B 50.35 % B2O3 | |||
| Chlorine 7.33 % Cl 7.33 % Cl | |||
| - % Cl -1.65 % -O=Cl2 | |||
| Oxygen 42.98 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+3B7O13Cl | |||
| Insoluble borate obtained from mining rock salt in a shallow salt dome mine. | |||
| Approved IMA 1962 | |||
| Barber's Hill salt dome, Chambers County, Texas, USA. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| ICSD 402906 | |||
| PDF 14-638 | |||
Chambersite Image | |||
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Chambersite Crystallography |
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| a:b:c =1:1:1.4124 | |||
| a = 8.68, b = 8.68, c = 12.26, Z = 4; V = 923.70 Den(Calc)= 3.48 | |||
| Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P ca21 | |||
| By Intensity(I/Io): 3.07(1), 2.08(0.6), 2.74(0.6), | |||
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Mouse |
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Physical Properties of Chambersite |
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| None | |||
| Colorless, Purple red. | |||
| 3.49 | |||
| Transparent to Translucent | |||
| Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. | |||
| Euhedral Crystals - Occurs as well-formed crystals showing good external form. | |||
| Pseudo Tetragonal - Crystals show a tetragonal shape. | |||
| 7 - Quartz | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Chambersite |
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| CI meas= 0.031 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.212,KPDmeas= 0.2114,KC= 0.218 |
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| Biaxial (+), a=1.732, b=1.737, g=1.744, bire=0.0120, 2V(Calc)=82, 2V(Meas)=83. | |||
Calculated Properties of Chambersite |
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relectron=3.32 gm/cc |
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| Fermion Index = 0.03132 Boson Index = 0.96868 |
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PEChambersite = 9.46 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Chambersite is Not Radioactive |
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Chambersite Classification |
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| 25.6.1.3 (25)Anhydrous Borates Containing Hydroxyl or Halogen | |||
| (25.6)Dana Type | |||
| (25.6.1)Boracite Group (Orthorhombic: Rca21) | |||
| V/L.04-30 V - Nitrates, Carbonates and Borates | |||
| V/L - Shelly borates with [BO2]1- to [B6O10]2- | |||
| V/L.04 - Boracite - Congolite series | |||
Other Chambersite Information |
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| NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | |||
| Links to other databases for Chambersite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Chambersite using: Visit our Advertisers for Chambersite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Chambersite Mineral Data : Ask about Chambersite here : Print or Cut-and-Paste your Chambersite Specimen Label here :
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