Chocolate dogtooth calcite, large Petrified wood some with the faintest of

some with the faintest of rosy pink hues to the surface

Approx point length: 4

commonly known as "elestial" quartz

and a later generation of growth deposited the less common hyalite on the underside of the specimen

The calcite has also formed stacks of small scalenohedral crystals

Chocolate dogtooth calcite, large Petrified wood some with the faintest ofLocale: 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