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Crystal System:
A polytype of Berborite

Berborite-1T crystals from the Saga I and II Quarries, Mørje, Porsgrunn, Telemark, Norway, is similar to the type berborite from Lupikko Mine, Pitkärenta, Karelia republic, Russia. Guiseppetti et al. (1990) has showned that the actual space group for berborite-1T from the Saga Quarries is P3 and thus belongs to the trigonal-pyramidal class 3.

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Crystallography of Berborite-1THide

Crystal System:
Class (H-M):
3 - Pyramidal
Space Group:
Cell Parameters:
a = 4.434(1) Å, c = 5.334(2) Å
a:c = 1 : 1.203
Unit Cell V:
90.82 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-1THide

Reference List:
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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-1THide

Mineral and/or Locality  
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