US$ 22.00
Astrophyllite forms in alkaline igneous rocks
often interspersed with intricate orbs and lacy formations that create a striking visual effect
Size: 17x7x10 cms
producing fragments that were ejected into space
Septerian Agate fossils Astrophyllite forms in alkaline igneousSize: 15 x 14 x 19 Cm Weight: 3. 701 Kg Location: Madagascar Product Description: The Septarian Agate from Madagascar is a unique and fascinating natural mineral formation composed of agate, a type of chalcedony, a cryptocrystalline form of silica. This formation features a striking pattern of cracks and cavities, often filled with minerals such as calcite, aragonite, or pyrite, creating a beautiful, one of a kind design. Geological Information
US$ 22.00
US$ 90.00
US$ 3000.00
US$ 3250.00
US$ 1250.00
US$ 1250.00
US$ 2500.00
US$ 3250.00
US$ 750.00
US$ 2500.00
US$ 10000.00
US$ 5000.00
US$ 1500.00
US$ 4000.00