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Berborite-2T

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Colour:
colorless
Specific Gravity:
2.06
Crystal System:
Trigonal
A polytype of Berborite


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Physical Properties of Berborite-2THide

Transparency:
Transparent
Colour:
colorless
Comment:
Pedial faces usual shiny and smooth while other faces may be dull and frosty
Cleavage:
Perfect
{001}
Density:
2.06 g/cm3 (Measured)    

Crystallography of Berborite-2THide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
P3c1
Cell Parameters:
a = 4.431(1) Å, c = 10.663(3) Å
Ratio:
a:c = 1 : 2.406
Unit Cell V:
181.31 ų (Calculated from Unit Cell)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Berborite-2THide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Giuseppetti, G., Mazzi, F., Tadini, C., Larsen, A.O., Åsheim, A., Raade, G. (1990): Berborite polytypes. Neues Jahrbuch für Mineralogie, Abhandlungen 162, 101-116.

Internet Links for Berborite-2THide

Mineral and/or Locality  
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