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Pollucite
- Translations : Pollucit, Pollucita, Поллуцит, 铯沸石, ポルクス石
- Synonym : Caesium Silicate
- Etymology : From Greek " Polux ", brother of Beaver, by allusion to the systematic association with Castorite.
- Discovery: by 1846
- Type localityLa Speranza (Pisani's Quarry), San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
Gemological data
- Chemical formula : (Cs,Na)2(Al2Si4O12) · 2H2O
- Hardness (Mohs) : 6.5 - 7
- Density : 2.86 - 2.94
- Refractive index : 1.517 - 1.525
- Birefingence : 0.014
- Crystal system : Cubique
- Group : Zéolites
- Mineralogical Class : Tectosilicates
The gallery
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- Pollucite
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- POLL0004
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- POLL0005
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- POLL5001
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- POLL5002
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- POLL5003
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- POLL5004
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- POLL0007
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- POLL0008
