Hanford Glass - Specimen zinc sulfide crystal It's important to note that

It's important to note that excessive exposure to light can lead to fading of the tenebrescent effect in hackmanite

Approximate weight of 1 piece: 75

Congolese Barite is well known for its striking habits and warm coloration

It is highly sought after by collectors for its unusual origin

Approximate size of 1 piece: 65mm x 65mm x 6mm

Hanford Glass - Specimen zinc sulfide crystal It's important to note thatMined from: Hanford Site area, near Richland, Benton County, Washington, USA Description: This one of a kind Hanford glass specimen features a brighter translucent yellow body with milky internal zones, glossy surfaces, and dramatic curved fracture patterns. The piece has a raw, sculptural form with sharp broken edges, conchoidal chips, ripple marks, and layered flow like textures that catch the light from different angles. Its color ranges from pale