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Locality: Northern Morocco
avoid touching or inhaling any of the dust released**
but faces are inset with raised edges
Approx weight: 85g
On other specimens the purple ends appear to have cubic forms
Chocolate dogtooth calcite, small Sandstone Locality: Northern MoroccoLocale: 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.
