Berborite-2H
A structural variant of Berborite
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About Berborite-2H
Formula:
Be2(BO3)(OH,F) · H2O
Colour:
white
Specific Gravity:
2.03
Crystal System:
Hexagonal
Unique Identifiers
Mindat ID:
39616
Long-form identifier:
mindat:1:1:39616:1
Similar Names
| Birbirite | A rock subtype |
Physical Properties of Berborite-2H
Colour:
White
Comment:
crystals may have transparent cores and milky white rims
Cleavage:
Perfect
{001}
{001}
Density:
2.03 g/cm3 (Measured)
Chemistry of Berborite-2H
Mindat Formula:
Be2(BO3)(OH,F) · H2O
Element Weights:
Crystallography of Berborite-2H
Crystal System:
Hexagonal
Class (H-M):
6 - Pyramidal
Space Group:
P63
Cell Parameters:
a = 4.433(2) Å, c = 10.638(5) Å
Ratio:
a:c = 1 : 2.4
Unit Cell V:
181.04 ų (Calculated from Unit Cell)
Z:
2
Common Associates
Associations Based on Photo Data:
| 8 photos of Berborite-2H associated with Natrolite | Na2Al2Si3O10 · 2H2O |
| 3 photos of Berborite-2H associated with Böhmite | AlO(OH) |
| 2 photos of Berborite-2H associated with 'Spreustein' | Na2Al2Si3O10 · 2H2O |
| 1 photo of Berborite-2H associated with Gibbsite | Al(OH)3 |
| 1 photo of Berborite-2H associated with Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Berborite-2H
mindat.org URL:
https://www.mindat.org/min-39616.html
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References for Berborite-2H
Localities for Berborite-2H
Showing 1 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Norway | |
| Giuseppetti et al. (1990) |
Saga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway