|
Karibibite Mineral Data + |
General Karibibite Information |
|||
| Fe+++2As+++4(O,OH)9 | |||
| Molecular Weight = 556.38 gm | |||
| Iron 20.08 % Fe 28.70 % Fe2O3 | |||
| Arsenic 53.86 % As 71.12 % As2O3 | |||
| Hydrogen 0.18 % H 1.62 % H2O | |||
| Oxygen 25.88 % O | |||
| ______ ______ | |||
| 100.00 % 101.44 % = TOTAL OXIDE | |||
| Fe3+2As4O8(OH) | |||
| In vugs in loellingite. | |||
| Approved IMA 1973 | |||
| Karibib lithium pegmatite, Namibia. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
Karibibite Image | |||
|
|
|
||
Karibibite Crystallography |
|||
| a:b:c =4.2741:1:1.1026 | |||
| a = 27.91, b = 6.53, c = 7.2, Z = 6; V = 1,312.22 Den(Calc)= 4.22 | |||
| OrthorhombicSpace Group: Unk | |||
| By Intensity(I/Io): 2.384(1), 2.808(0.8), 3.176(0.8), | |||
Physical Properties of Karibibite |
|||
| Brownish yellow. | |||
| 4.07 | |||
| Fibrous - Crystals made up of fibers. | |||
| 1-2 - Between Talc and Gypsum | |||
| Fluorescent, Short UV=yellow. | |||
| Paramagnetic | |||
| light yellow | |||
Optical Properties of Karibibite |
|||
| CI meas= 0.016 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.051 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2496,KPDmeas= 0.2588,KC= 0.263 |
|||
| Biaxial (-), a=1.96, b=2.1, g=2.1, bire=0.1400 | |||
| straw yellow. | |||
| straw yellow. | |||
| light brownish yellow. | |||
Calculated Properties of Karibibite |
|||
relectron=3.76 gm/cc |
|||
| Fermion Index = 0.00438 Boson Index = 0.99562 |
|||
PEKaribibite = 44.01 barns/electron |
|||
| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Karibibite is Not Radioactive |
|||
Karibibite Classification |
|||
| 7.10.2.1 (7)Multiple Oxides | |||
| (7.10)Dana Type | |||
| (7.10.2)Dana Group | |||
| IV/J.07-10 IV - Oxides | |||
| IV/J - Arsenides with [AsO3]3-, [AsO2]-, [As2O5]4- groups and unclassified Arsenides | |||
| IV/J.07 - Karibibite - Ludlockite series | |||
Other Karibibite Information |
|||
| NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | |||
| Links to other databases for Karibibite : 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 Karibibite using: Visit our Advertisers for Karibibite : 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 Karibibite Mineral Data : Ask about Karibibite here : Print or Cut-and-Paste your Karibibite Specimen Label here :
|
|||