Chocolate dogtooth calcite, large Stalactitic chalcedony has the mercedes termination and

has the mercedes termination and glossy high luster characteristic of the Erongo region

(If you want more than one set

Locality: Mexico

and small dark spots nearby

Glue is visible in several spots when studied closely

Chocolate dogtooth calcite, large Stalactitic chalcedony has the mercedes termination andLocale: Santa Eulalia, Chihuahua, Mexico Approx size: 5 x 3 x 1. 75" Approx weight: 372g Known by the trade name "chocolate dogtooth calcite," this type of calcite from the famed Santa Eulalia mining district grows in hedgehog clusters of sharp dogtooth (scalenohedral) crystals. The variety gets its distinctive opaque dark brown appearance from iron oxides; a layer of hematite included calcite is deposited on the surface during a later phase of