Mineralogy Portal

Turquoise

🔍 Turquoise is a triclinic system mineral, hydrated basic phosphate of aluminum and copper, generally found in compact masses with a cryptocrystalline structure. Chemical formula : CuAl6(PO4)4(OH)8 · 4H2O Hardness...

Turquoise

🔍 Turquoise is a triclinic system mineral, hydrated basic phosphate of aluminum and copper, generally found in compact masses with a cryptocrystalline structure. Chemical formula : CuAl6(PO4)4(OH)8 · 4H2O Hardness...

Opal

🔍 Opal is an amorphous colloidal mineral made up of hydrated silica, present in numerous varieties of colors and iridescences in the form of veins, granules and crusts in eruptive...

Opal

🔍 Opal is an amorphous colloidal mineral made up of hydrated silica, present in numerous varieties of colors and iridescences in the form of veins, granules and crusts in eruptive...

Malachite

🔍 Carbonate is a secondary mineral of copper, made up of basic copper carbonate. It occurs in crystals, generally thin, gathered in tufts or rosettes; spreading in a massive or...

Malachite

🔍 Carbonate is a secondary mineral of copper, made up of basic copper carbonate. It occurs in crystals, generally thin, gathered in tufts or rosettes; spreading in a massive or...

Lapis Lazuli - Lapis Lazuli

🔍 Lazurite is a metamorphic rock that forms from the association of lazurite with various minerals, including pyrite, calcite and sodalite. 𝐅𝐨𝐫𝐦𝐮𝐥𝐚 𝐂𝐡𝐢𝐦𝐢𝐜𝐚: (Na₂,Ca)₂ [(Cl,NaS₃,NaSO₄)Al]Al₂(SiO₄)₃ 𝐃𝐮𝐫𝐞𝐳𝐳𝐚 (𝐌𝐨𝐡𝐬): 5 - 6...

Lapis Lazuli - Lapis Lazuli

🔍 Lazurite is a metamorphic rock that forms from the association of lazurite with various minerals, including pyrite, calcite and sodalite. 𝐅𝐨𝐫𝐦𝐮𝐥𝐚 𝐂𝐡𝐢𝐦𝐢𝐜𝐚: (Na₂,Ca)₂ [(Cl,NaS₃,NaSO₄)Al]Al₂(SiO₄)₃ 𝐃𝐮𝐫𝐞𝐳𝐳𝐚 (𝐌𝐨𝐡𝐬): 5 - 6...

Jade

🔍 Stone is a hard stone belonging to silicates; predominantly green in color, but also present in numerous other colors. It is not strictly a mineral, but rather an aggregate...

Jade

🔍 Stone is a hard stone belonging to silicates; predominantly green in color, but also present in numerous other colors. It is not strictly a mineral, but rather an aggregate...

Fordite

🔍 Fordite is a very particular material, formed "accidentally" in American body shops starting from the 1940s. It consists of numerous layers of cooked paint, accumulated in the drains of...

Fordite

🔍 Fordite is a very particular material, formed "accidentally" in American body shops starting from the 1940s. It consists of numerous layers of cooked paint, accumulated in the drains of...

Anelli di Acciaio Damasco

Damascus Steel Rings

The rings of this section are made of Stainless Damascus Steel (304x316)