Kyanite twin, 4 cm, Nani Hill, Loliondo, Ngorongoro district, Arusha Region, Tanzania. photo

Hajar | all galleries >> Mineral Galleries >> Crystal Twins >> Twins of Triclinic Minerals > Kyanite twin, 4 cm, Nani Hill, Loliondo, Ngorongoro district, Arusha Region, Tanzania.

Gerhard Niklasch worked out (2010) that the twin law was {12-1}.

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