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Johachidolite Mineral Data + |
General Johachidolite Information |
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| CaAlB3O7 | |||
| Molecular Weight = 211.49 gm | |||
| Calcium 18.95 % Ca 26.52 % CaO | |||
| Aluminum 12.76 % Al 24.11 % Al2O3 | |||
| Boron 15.33 % B 49.38 % B2O3 | |||
| Oxygen 52.96 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| CaAl(B3O7) | |||
| Valid Species (Pre-IMA) 1942 | |||
| NO Link to MinDat.org Location Data. | |||
| ICSD 10245 | |||
| PDF 29-280 | |||
Search for Johachidolite Images | |||
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Johachidolite Crystallography |
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| a:b:c =0.6796:1:0.373 | |||
| a = 7.968, b = 11.724, c = 4.374, Z = 4; V = 408.61 Den(Calc)= 3.44 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mma | |||
Physical Properties of Johachidolite |
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| None | |||
| Colorless, White. | |||
| 3.37 | |||
| Transparent | |||
| 7.5 - Garnet | |||
| Fluorescent. | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Johachidolite |
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| CI meas= -0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2088,KPDmeas= 0.2132,KC= 0.2117 |
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| Biaxial (+), a=1.712, b=1.717, g=1.726, bire=0.0140 | |||
| colorless. | |||
| colorless. | |||
| colorless. | |||
Calculated Properties of Johachidolite |
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relectron=3.31 gm/cc |
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| Fermion Index = 0.03102 Boson Index = 0.96898 |
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PEJohachidolite = 2.89 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Johachidolite is Not Radioactive |
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Johachidolite Classification |
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| 24.5.3.1 (24)Borates - Anhydrous | |||
| (24.5)with miscellaneous formulae | |||
| (24.5.3)Dana Group | |||
| V/L.03-10 V - Nitrates, Carbonates and Borates | |||
| V/L - Shelly borates with [BO2]1- to [B6O10]2- | |||
| V/L.03 - Johachidolite series | |||
Other Johachidolite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Johachidolite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Johachidolite using: Visit our Advertisers for Johachidolite : Translate Johachidolite Mineral Data : Ask about Johachidolite here : Print or Cut-and-Paste your Johachidolite Specimen Label here :
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