shape and color of the specimen we send may vary

Tetrahedrite is commonly found in hydrothermal veins and is often associated with other minerals such as quartz

Dimensions:  41x27x17 mm / 1

So far approximately 30 T of this material has been recovered

This is a strand of green Grossular Garnet beads with an overall length of 39 cm (15 inches)

Spinel Crystal in Marble Host | Red Spinel | 9 gr, 45.6 ct | Mogok, Myanmar Quartz shape and color of theThis is a beautiful Spinel crystal in marble host from Myanmar (Burma). Spinel comes in a variety of colors, including red, pink, blue, purple, orange, and black. It is often mistaken for other gemstones due to its resemblance to rubies and sapphires, especially red spinel, which historically has been confused with ruby. Spinel is found in various regions around the world, including Myanmar (formerly Burma), Sri Lanka, Tanzania, Madagascar, Vietnam,