Mineralpedia Details for Aminoffite
Aminoffite
- Formula
- Ca3(BeOH)2Si3O10
- Crystal System
- Tetragonal
- Cleavage
- Indistinct, None, None
- Luster
- Vitreous (Glassy)
- Color
- colorless, light yellow
- Streak
- white
- Class
- Tetragonal - Ditetragonal Dipyramidal
- Fracture
- Brittle - Conchoidal
- Hardness
- 5.5
- WebMineral
- View Aminoffite
- Mindat
- View Aminoffite
Aminoffite from Långban, Filipstad, Värmland, Sweden
- Special Info
- Type Locality
An exceptionally rich specimen with no less than 18 waterclear to murky tetragonal dipyramidal crystals from 0.25 to .75mm. At least four crystals are to 0.75mm. Some crystals are full and complete others are partial and half hidden by matrix. A very rare beryllium silcate found at Langban and in Russia.
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