Mineralpedia Details for Danalite
Danalite
Danalite, is beryllium bearing, and found typically in tin-beryllium skarns, but also found in NYF style pegmatites as is this occurence.
- Formula
- Be3Fe2+4(SiO4)3S
- Crystal System
- Isometric
- Crystal Habit
- Massive
- Cleavage
- Indistinct, None, None
- Luster
- Vitreous - Greasy
- Color
- brown, brownish black, grayish yellow, pink, reddish brown
- Streak
- gray white
- Class
- Isometric - Hextetrahedral
- Fracture
- Uneven
- Hardness
- 5.5-6
- WebMineral
- View Danalite
- Mindat
- View Danalite
Danalite from Bakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway
Red crystals to 4mm with characteristic triangular cross-sections scattered throughout K-spar amazonite matrix. Danalite, is beryllium bearing, and found typically in tin-beryllium skarns, but also found in NYF style pegmatites as is this occurence.
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