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- What it is: Ammonite
Size: 13x13 cms
Amethyst spheres are popular as decorative pieces
making it a rare opportunity to own a piece of ancient history
avoid exposure to water or extreme temperatures
Aragonite - What it is: AmmoniteSize: 3 x 2 x 2 cms (Avg) Weight: 30 grams (Avg) Location: USA Product Description: Aragonite is a mineral composed of calcium carbonate (CaCO3) with an orthorhombic crystal system. It forms in sedimentary environments, such as in shells and skeletons of marine organisms, and in hydrothermal veins. Aragonite has a hardness of 3. 5 4 on the Mohs scale and exhibits a distinctive crystal shape.
US$ 54.95
US$ 77.50
US$ 31.84
US$ 49.95
