Chocolate dogtooth calcite, small Sandstone Montenegro Clowns are one of

Montenegro Clowns are one of my favorites

The coffee-brown staining may be iron

Locality: Northern Morocco

Details of the wood surface pattern and knots can be made out on the sides

Approx weight: 12–20g (Option A about 30g)

Chocolate dogtooth calcite, small Sandstone Montenegro Clowns are one ofLocale: Santa Eulalia, Chihuahua, Mexico Approx size: 22. 5" Approx weight: 45120g 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 growth.