Chocolate dogtooth calcite, small Garden quartz This specimen also features a

This specimen also features a very small faint blue aquamarine beryl with a nice six-sided prism crystal

Northern Europe

UV reactivity Visible calcite fluoresces and phosphoresces faint red under 365 nm UV light

This piece is long

Approx point length: 3"

Chocolate dogtooth calcite, small Garden quartz This specimen also features aLocale: 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.