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| Colour: | Green | Hardness: | 3 |
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Classification of Duftite-alpha | ||||||
| Dana 8th edition ID: | 41.5.2.5 41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN 5 : (AB)2(XO4)Zq | |||||
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| mindat.org URL: | http://www.mindat.org/min-5267.html Please feel free to link to this page. | |||||
Physical Properties of Duftite-alpha | ||||||
| Lustre: | Vitreous, Dull | |||||
| Colour: | Green | |||||
| Hardness (Mohs): | 3 | |||||
Optical Data of Duftite-alpha | ||||||
| Type: | Biaxial (-) | |||||
| RI values: | nα = 2.040 nβ = 2.080 nγ = 2.100 | |||||
| Maximum Birefringence: | δ = 0.060 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. | |||||
| Surface Relief: | Very High | |||||
| Dispersion: | r < v strong | |||||
Other Names for Duftite-alpha | ||||||
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Other Information | ||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | |||||
Internet Links for Duftite-alpha | ||||||
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Localities for Duftite-alpha | ||||||
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