3" Specularite Slab TF1933 misc Due to its relatively good

Due to its relatively good hardness compared to some other opals

Mookaite is a sedimentary rock composed primarily of silica

5x1x1 inches

Weight: 112 grams

3" Specularite Slab TF1933 misc Due to its relatively good3" Specularite Slab Approx. Dimensions: 3x2. 25x0. 25 inches Approx. Weight: 114 grams Locality: Upper Peninsula, Michigan Acrylic slab stand is included! Specularite is a variety of hematite characterized by its shiny, reflective surfaces, often resembling polished metal. It typically forms as tabular or platy crystals and occurs in metallic gray to black colors. Specularite derives its name from the Latin word "speculum," meaning mirror, due to its