Red Hyalite Opal Specimen Mix from Ojuela Mine Zeolite Brazilian Kyanite exhibits a fascinating

Brazilian Kyanite exhibits a fascinating physical property known as anisotropic hardness

Weight: 219g

It’s not the dark

25in deep x 4

With a Mohs hardness of approximately 5

Red Hyalite Opal Specimen Mix from Ojuela Mine Zeolite Brazilian Kyanite exhibits a fascinatingWe were thrilled to acquire a small lot of these Red Hyalite Opal Specimen Mix from Ojuela Mine, which have a fascinating combination of minerals. In regular daylight, these pieces have a beautiful visual contrast. A rich, earthy red from Hematite inclusions coats and stains a matrix of crystalline Calcite and sparkling drusy Quartz. The interplay between the deep red and the bright white is aesthetic all on its own. Draped over parts of the surface,