Berborite-2H
A structural variant of Berborite
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About Berborite-2H
Colour:
white
Specific Gravity:
2.03
Crystal System:
Hexagonal
Unique Identifiers
Mindat ID:
39616
Long-form identifier:
mindat:1:1:39616:1
GUID
(UUID V4):
(UUID V4):
0da8ccfd-a325-4b8c-896a-91675d06f76c
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)
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
Associated Minerals Based on Photo Data:
7 photos of Berborite-2H associated with Natrolite | Na2Al2Si3O10 · 2H2O |
2 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 Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
1 photo of Berborite-2H associated with Gibbsite | Al(OH)3 |
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.
References for Berborite-2H
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-2H
mindat.org URL:
https://www.mindat.org/min-39616.html
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Mineral Dealers:
Localities for Berborite-2H
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Norway | |
| Giuseppetti et al. (1990): Berborite polytypes. Neues Jahrbuch für Mineralogie-Abhandlungen 162 (1): 101-116 |
Saga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Vestfold og Telemark, Norway