Mineralpedia Details for Teineite
Teineite
Named after the type locality at the Teine mine in Hokkaido, Japan. This rare secondary mineral occurs and a producr of the ozidation of copper- bearing and tellurium-bearing sulfides in only a few localities that include Japan, Mexico, the USA, Belgium, Norway and, purportedly, Russia.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/teineite.pdf
- Formula
- Cu2+Te4+O3ยท2H2O
- Crystal System
- Orthorhombic
- Cleavage
- Distinct, Indistinct, None
- Color
- blue gray, sky blue, dark blue
- Streak
- bluish white
- Class
- Orthorhombic - Disphenoidal
- Fracture
- Brittle
- Hardness
- 2.5
- WebMineral
- View Teineite
- Mindat
- View Teineite
Teineite from Moctezuma, Sonora, Mexico
Sky blue patches and deeper blue, translucent micro crystals to 1mm. Unknown green mineral in association.
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Teineite from Bambollita mine, Moctezuma, Sonora, Mexico
Electric blue platy crystals 2.5mm on small piece.
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