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Phenacit
- Translations : Phenakite, Phenacit, Phenakit, Фенакит, 似晶石
- Synonym : Phenakite
- Etymology : From Greek " phenax " = deceiver. Was primitively taken for a Quartz, where from its name.
- Discovery: 1883 by Nordenskiold
- Type localityIzumrudnye Kopi area, Malyshevo, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia
Gemological data
- Chemical formula : (Be2 Si O4) Silicate of beryllium
- Hardness (Mohs) : 7.5 - 8
- Density : 2.96
- Refractive index : nω = 1.650 - 1.656 nε = 1.667 - 1.670
- Crystal system : Rhomboédrique - Trigonal
- Group : Silicates
- Mineralogical Class : Nesosilcates
The gallery
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- Phenacite – Phenakite
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- PHEN0009
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- PHEN0010
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- PHEN5001
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- PHEN5003
