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Bertrandite, fluorite
€21.00
Dark purple fluorite partly covered with thin, tabular bertrandite crystals
Dark purple fluorite partly covered with thin, tabular bertrandite crystals. Best viewed under a microscope
AN_391
1 Item
Data sheet
- Locality
- Akchatau, Karaganda Region, Kazakhstan
- Size category
- Miniature
- Size (cm)
- 3.5 x 2 x 2.5
- Weight
- 18 g
- Formula
- Be4(Si2O7)(OH)2
- Properties
- Vitreous; transparent; bladed habit; brittle
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Dark purple fluorite partly covered with thin, tabular bertrandite crystals