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Henmilite Mineral Data + |
General Henmilite Information |
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| Ca2Cu[B(OH)4]2(OH)4 | |||
| Molecular Weight = 369.41 gm | |||
| Calcium 21.70 % Ca 30.36 % CaO | |||
| Copper 17.20 % Cu 21.53 % CuO | |||
| Boron 5.85 % B 18.85 % B2O3 | |||
| Hydrogen 3.27 % H 29.26 % H2O | |||
| Oxygen 51.97 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ca2CuB2(OH)12 | |||
| In borate veins cutting contact-metasomatized marble. | |||
| Approved IMA 1986 | |||
| Fuka mine, Okayama, Prefecture, Japan. Link to MinDat.org Location Data. | |||
| Named for Kitinosuke Henmi (1919-1997) and his daughter Chiyoko Henmi (1949-) for their work on the Skarn deposit at Fuka, Japan. | |||
| ICSD 202148 | |||
| PDF 40-481 | |||
Henmilite Image | |||
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Henmilite Crystallography |
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| a:b:c =0.7222:1:0.7081 | |||
| a = 5.7617, b = 7.9774, c = 5.6488, Z = 1; alpha = 109.611°, beta = 91.473°, gamma = 83.686° V = 243.01 Den(Calc)= 2.52 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 5.25(1), 4.35(0.5), 3.709(0.4), | |||
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Mouse |
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Physical Properties of Henmilite |
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| Bluish violet. | |||
| 2.51 | |||
| Transparent | |||
| Fragile - Crystals with a delicate and easily injured structure. | |||
| Microscopic Crystals - Crystals visible only with microscopes. | |||
| 1.5-2 - Talc-Gypsum | |||
| Vitreous (Glassy) | |||
| pale violet | |||
Optical Properties of Henmilite |
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| CI meas= 0.001 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2392,KPDmeas= 0.2401,KC= 0.2404 |
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| Biaxial (-), a=1.585, b=1.608, g=1.615, bire=0.0300, 2V(Calc)=56, 2V(Meas)=58. | |||
| pale pink. | |||
| pale purple. | |||
| pale blue. | |||
Calculated Properties of Henmilite |
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relectron=2.54 gm/cc |
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| Fermion Index = 0.01219 Boson Index = 0.98781 |
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PEHenmilite = 9.95 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Henmilite is Not Radioactive |
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Henmilite Classification |
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| 26.1.5.1 (26)Hydrated Borates Containing Hydroxyl or Halogen | |||
| (26.1)Dana Type | |||
| (26.1.5)Dana Group | |||
| V/G.09-20 V - Nitrates, Carbonates and Borates | |||
| V/G - "Insel" borates [BO4]5- tetraheders | |||
| V/G.09 - Frolovite - Henmilite series | |||
Other Henmilite Information |
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| NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.71,p1234-1239,1986) OPTIC PROP.(Dana8) | |||
| Links to other databases for Henmilite : 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 - WWW-MINCRYST 13 -École des Mines de Paris Search for Henmilite using: Visit our Advertisers for Henmilite : Translate Henmilite Mineral Data : Ask about Henmilite here : Print or Cut-and-Paste your Henmilite Specimen Label here :
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