Composed of magnesium iron aluminum cyclosilicate
that will fluoresce green under long-wave UV light
making it suitable for a variety of lapidary applications
such as cabochons and beads
Certain formations in gemstones and crystals look like the spokes of the milling wheel
7.5" Septarian Slab DS029 brazil lemurian Composed of magnesium iron aluminum7. 5" Septarian Slab Approx. Dimensions: 7. 5x6. 5x0. 5 inches Approx. Weight: 977 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