Entries by CAI ICIA

Siberite

Siberite is a vibrant, purplish variety of elbaite, a species in the tourmaline group of minerals. Its name derives from the region of Siberia, where notable specimens were historically discovered. […]

Purple Alunite

Alunite, a common sulfate mineral with the chemical formula KAl3(SO4)2(OH)6, is usually white to grayish in color. However, purple alunite is a rare variation, often prized by collectors for its […]

Scorolite

Scorolite is a relatively rare mineral belonging to the arsenate mineral group. Its chemical formula is CaAl(AsO4)·2H2O, indicating it is a hydrated calcium aluminum arsenate. The mineral is typically formed […]

Paraíba

Paraíba tourmaline is one of the most sought-after and vibrant varieties of tourmaline, known for its stunning neon blue to greenish-blue colors. This gemstone is highly prized for its rarity, […]

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Tourmaline

Tourmaline, or tourmaline, is a general term for gem-quality tourmaline, and here’s a detailed introduction to tourmaline: chemical composition Tourmaline has an extremely complex chemical composition and is a boron-containing […]