Classification of Gwihabaite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 5/A.01-25
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| Nickel-Strunz 10th (pending) edition ID: | 5.NA.15
5 : CARBONATES (NITRATES)
N : NITRATES
A : Without OH or H2O |
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| Dana 7th edition ID: | 18.1.3.1 |
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| mindat.org URL: | http://www.mindat.org/min-6983.html
Please feel free to link to this page. |
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Type Occurrence of Gwihabaite |
| Type Locality: | Gcwihaba Cave (Drotsky's Caverns), Ngamiland West District, North-West District, Botswana |
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Occurrences of Gwihabaite |
| Geological Setting: | Caves |
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Physical Properties of Gwihabaite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | Colourless |
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| Streak: | White |
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| Hardness (Mohs): | 2 |
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| Density (measured): | 1.77 g/cm3 |
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| Density (calculated): | 1.80 g/cm3 |
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Crystallography of Gwihabaite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mmm (2/m 2/m 2/m) - Dipyramidal |
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| Cell Parameters: | a = 7.075Å, b = 7.647Å, c = 5.779Å
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| Ratio: | a:b:c = 0.925 : 1 : 0.756 |
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| Unit Cell Volume: | V 312.66 ų (Calculated from Unit Cell) |
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| Z: | 4 |
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| Morphology: | Slender prismatic crystals, divergent aggregates or "cave flowers" |
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Optical Data of Gwihabaite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.458 nβ = 1.527 nγ = 1.599 |
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| 2V: | Measured: 90° , Calculated: 86° |
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| Maximum Birefringence: | δ = 0.141
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Low |
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| Dispersion: | none |
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Chemical Properties of Gwihabaite |
| Formula: | |
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| Essential elements: | H, N, O |
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| All elements listed in formula: | H, K, N, O |
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Relationship of Gwihabaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Gwihabaite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Other Information: | Soluble in water, deliquescent |
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| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Gwihabaite |
Reference List:
- + | Bulletin of the South African Speleological Association: 36: 19-21.
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Internet Links for Gwihabaite |
| Search Engines: |
Look for Gwihabaite on Google
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| External Links: | Look for Gwihabaite on WebmineralLook for Gwihabaite on Athena MineralogyLook for Gwihabaite on WikipediaLook for Gwihabaite on Mineralien AtlasRaman and XRD data at RRUFF project[Link Broken?]American Mineralogist Crystal Structure Database[Link Broken?]Gwihabaite details from Handbook of Mineralogy (PDF)[Link Broken?] |
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| Mineral Dealers: | Search for Gwihabaite from all mineral dealers at minfind.comFabre Minerals - search for Gwihabaite specimensSearch for - Gwihabaite - on e-Rocks Mineral Sales & AuctionsBuy fine minerals and gemstones from Pala InternationalBuy from David K Joyce mineralsVisit the Pueblo Gem and Mineral show, Tucson 2012The Arkenstone - Fine MineralsSpiriferMinerals.com - high quality low pricesBy minerals from YourMineralCollectionWilensky Fine MineralsFind Gwihabaite on www.crystalclassics.co.ukTop quality minerals from Kristalle of California |
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| Jobs: | Mining & Geology Jobs |
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Localities for Gwihabaite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
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