Orthoclase Feldspar with Smoky Quartz from Malawi TD546 green opal and silicon

and silicon

and exhibits the optical phenomenon of double refraction where an object viewed through the calcite will appear doubled

These cabochons are often used in jewelry design to create unique and visually captivating pieces

8" Picture Sandstone Obelisk

The specimen will fluoresce blue under a UV light (shown in last photo)

Orthoclase Feldspar with Smoky Quartz from Malawi TD546 green opal and siliconOrthoclase Feldspar with Smoky Quartz from Malawi Approx. Dimensions: 4x3x2. 25 inches Approx. Weight: 350 grams Locality: Zomba Plateau Region, Malawi Smoky quartz from Malawi is highly distinctive, primarily originating from the Mount Malosa and Zomba Plateau regions in the southern part of the country. These specimens are prized by collectors for their sharp, jet black to deep amber coloration and frequent association with rare alkaline minerals.