Stilbite with Calcite Large Mineral Specimen - attractive -

Stilbite with Calcite Mineral Specimen - Beautiful ~*Sparkles all over the entire specimen *Mina Aurora mine in Charcas, Mexico - Area -6 LBS 7 OZ11 X 3 3 Approx This is a large beautiful mineral specimen you will love Stilbite is a series of hydrated calcium sodium aluminum silicate minerals belonging to the zeolite group. It's not a single mineral species but rather a group composed of stilbite-Ca and stilbite-Na. Stilbite is known for its abundant occurrence in volcanic rocks and is often found in amygdaloidal cavitieThe streak is white and crystals are transparent to translucent. The hardness is 3+1⁄2 to 4 and the specific gravity 2.12 to 2.22. Cleavage is perfect on {010}, poor on {001}. The mineral is brittle, with a conchoidal or uneven fracture.** SEE VIDEO ( IF AVAILABLE ) FOR FULL EFFECTS **** WE HAVE MANY BEAUTIFUL MINERALSPECIMENS FROM THE USA & AROUND THE GLOBE item 327 Perfect for everyday use. High quality materials and excellent craftsmanship ensure long-lasting durability.