Berborite-1T
A structural variant of Berborite
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Crystal System:
Trigonal
A polytype of Berborite
Berborite-1T crystals from the Saga I and II Quarries, Mørje, Porsgrunn, Telemark, Norway, are similar to the type berborite from Lupikko Mine, Pitkärenta, Karelia republic, Russia. Guiseppetti et al. (1990) have shown that the actual space group for berborite-1T from the Saga Quarries is P3 and thus it belongs to the trigonal-pyramidal class 3.
Berborite-1T crystals from the Saga I and II Quarries, Mørje, Porsgrunn, Telemark, Norway, are similar to the type berborite from Lupikko Mine, Pitkärenta, Karelia republic, Russia. Guiseppetti et al. (1990) have shown that the actual space group for berborite-1T from the Saga Quarries is P3 and thus it belongs to the trigonal-pyramidal class 3.
Unique Identifiers
Mindat ID:
39617
Long-form identifier:
mindat:1:1:39617:0
GUID
(UUID V4):
(UUID V4):
86dd6ee7-eb29-4853-b4c8-a294a55e7721
Crystallography of Berborite-1T
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 4.434(1) Å, c = 5.334(2) Å
Ratio:
a:c = 1 : 1.203
Unit Cell V:
90.82 ų (Calculated from Unit Cell)
Z:
1
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-1T
mindat.org URL:
https://www.mindat.org/min-39617.html
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References for Berborite-1T
Localities for Berborite-1T
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 | |
| ... |
Russia | |
| Chukanov (2013) |