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Berborite-2H

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About Berborite-2HHide

Colour:
white
Specific Gravity:
2.03
Crystal System:
Hexagonal
A polytype of Berborite

Original described from Saga 1 Quarry, Mørje, Porsgrunn, Telemark, Norway



Physical Properties of Berborite-2HHide

Colour:
white
Comment:
crystals may have transparent cores and milky white rims
Cleavage:
Perfect
{001}
Density:
2.03 g/cm3 (Measured)    

Crystallography of Berborite-2HHide

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)

Common AssociatesHide

Associated Minerals Based on Photo Data:
Natrolite4 photos of Berborite-2H associated with Natrolite on mindat.org.
Böhmite1 photo of Berborite-2H associated with Böhmite on mindat.org.

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-2HHide

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-2HHide

Localities for Berborite-2HHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Norway
 
  • Telemark
    • Porsgrunn
      • Mørje
        • Sagåsen
Giuseppetti et al. (1990): Berborite polytypes. Neues Jahrbuch für Mineralogie-Abhandlungen 162 (1): 101-116
Mineral and/or Locality  
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