8" Septarian Slab DS2235 marquise Colombian Lemurian (Optical Quartz)

Colombian Lemurian (Optical Quartz)

5x8 inches

Includes wood sphere stand

Weight: 1340 grams

Weight: 1305 grams

8" Septarian Slab DS2235 marquise Colombian Lemurian (Optical Quartz)8" Septarian Slab Approx. Dimensions: 8x7. 75x0. 5 inches Approx. Weight: 816 grams Locality: Mexico Slab stand is included. Septarian, a distinctive sedimentary rock, forms through the combination of calcite, aragonite, and limestone with organic matter and minerals such as iron sulfide. It develops in concretions within sedimentary deposits, often found in regions with ancient seabeds, notably in Utah, USA, Madagascar, and Morocco. These concretions