Sphalerite with Calcite from Elmwood Mine DS512 black tourmaline have been used for ornamental

have been used for ornamental purposes and jewelry throughout various cultures

There is also a "sidecar" crystal that is growing off the back and has an interesting self-healed termination that looks as though it is lifting off of the main crystal (see last photo)

It's worth noting that chrome chalcedony is not as widely known as some other gemstones

Aventurine is a peaceful and harmonizing stone

about 250 million years ago

Sphalerite with Calcite from Elmwood Mine DS512 black tourmaline have been used for ornamentalSphalerite with Calcite from Elmwood Mine Approx. Dimensions: 3. 5x2x1. 75 inches Approx. Weight: 243 grams Locality: Elmwood Mine, Carthage, Smith County, Tennesee The Elmwood Mine, located near Carthage in Smith County, Tennessee, is one of North Americas most celebrated mineral localities. Originally developed as a zinc ore mine in the late 1960s, it began full production in 1975 and operated intermittently through the early 2000s and 2010s before