Hanford Glass - Specimen zinc sulfide crystal while the opposite face exposes

while the opposite face exposes classic concentric banding with cream and grey zoning

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

and included pieces from the region are well known for their clarity and strong crystal development

are a striking example of naturally crystallized hematite

Small white botryoidal to druzy mineral accents sit between the golden Barite blades

Hanford Glass - Specimen zinc sulfide crystal while the opposite face exposesMined 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