The pin stand lifts it off the surface and turns it into a display piece

It ranges from pale tea-brown to near-black

Oregon sunstone is one of the few gem materials found in gem-quality form in the continental United States

Citrine is silicon dioxide—quartz—colored warm yellow to amber by trace ferric iron in its structure

Protection

Aragonite Bowl Price:5"Hx5.5"Lx1.25"D The pin stand lifts itA calcium carbonate bowl, cut into a heartpale and translucent at the edges. Aragonite is a polymorph of calcite: same chemical formula (CaCO), different crystal structure. Where calcite is trigonal, aragonite is orthorhombic, giving it a different cleavage pattern and slightly higher density. Mohs hardness 3. 54. It named in 1790 after the Aragon province of Spain, where it was first scientifically describedthough the mineral occurs worldwide in