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Its vibrant colors and unique patterns make it a sought-after material among collectors and those appreciating rare and distinctive gemstones
or black threads within the quartz
which is the result of internal diffraction of light within the opal's microstructure
Weight: 176 grams
Scoria forms as part of a lava flow usually near the surface of the flow
2.75" Specularite Slab TF1927 vivianite Its vibrant colors and unique2. 75" Specularite Slab Approx. Dimensions: 2. 75x2. 75x0. 25 inches Approx. Weight: 176 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
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