Very unusual and showy specimen of rare blue-green Kobyashevite combined with Gypsum and overgrowing Calcite crystals. Nice piece. From a new find at Mapimí, not much was found. Kobyashevite is a rare copper mineral. The condition is excellent. Specimen size: 9.5 cm x 6 cm Watch the video below
Ojuela mine, Mapimí, Durango, México "