Locality: Santa Bárbara mining district, Municipio Santa Barbara, Chihuahua, Mexico
Size: 100 mm x 85 mm x 52 mm (3.9 in. x 3.3 in. x 2.1 in.)
Weight: 392 g (13.7 oz.)
This piece is composed of clusters of scalenohedral "dogtooth" calcite crystals on matrix. The larger crystals are an ivory white color, while the smaller ones are gray due to inclusions of an unidentified mineral. Few contacts. Nice specimen! Fluoresces orange under UV light.