Entries by CAI ICIA

Gahnite

Gahnite is a mineral belonging to the spinel group, specifically a zinc aluminum oxide with the chemical formula ZnAl2O4ZnAl_2O_4ZnAl2​O4​. It is typically found in metamorphic and pegmatitic rocks and is […]

Baroque Pearls

Baroque pearls are a captivating subset of pearls that have fascinated humanity for centuries. Unlike traditional round pearls, baroque pearls are distinguished by their irregular, often asymmetrical shapes and unique […]

Teal Sapphire

Teal sapphire, a captivating gem that exhibits hues of blue and green, has gained popularity in recent years due to its unique coloration and striking appearance. Unlike traditional blue sapphires, […]

Cloud Agate

Cloud agate is a captivating variety of chalcedony, a form of microcrystalline quartz. It’s admired for its cloud-like patterns that seem to float within the stone, making it a favorite […]

Psilomelane

Psilomelane is a barium manganese oxide mineral, typically presenting as black or dark gray with a submetallic to dull luster. It often forms botryoidal or stalactitic masses, making it visually […]

Green Labradorite

Green labradorite is gemstone, known for its captivating play of colors, often referred to as labradorescence. This phenomenon is caused by the diffraction of light within the stone, which creates […]

Herkimer Diamonds

Herkimer Diamonds are a unique form of double-terminated quartz crystals found primarily in Herkimer County, New York. Unlike typical quartz crystals that grow attached to a host rock, Herkimer Diamonds […]

Fairburn Agate

Fairburn Agate is a unique and highly prized variety of agate known for its distinctive banding patterns and vibrant colors. Typically found in the Fairburn area of South Dakota, this […]