Chocolate dogtooth calcite, large Stalactitic chalcedony Glue is visible in several

Glue is visible in several spots when studied closely

The two larger points are tipped with bubbly black hematite

this pair of long straight points is completely coated in a dull mineral crust

(If you want more than one set

Chocolate dogtooth calcite, large Stalactitic chalcedony Glue is visible in severalLocale: 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