Entries by CAI ICIA

Yellow Chalcedony

Yellow chalcedony is a variety of chalcedony, which itself is a form of microcrystalline quartz. Chalcedony encompasses a broad range of cryptocrystalline quartz varieties that exhibit a waxy luster and […]

Goshenite

Goshenite is a variety of the mineral beryl and is known for its transparent and colorless appearance. It is one of the several gemstone varieties of beryl, which also includes […]

Wulfenite

Wulfenite is a lead molybdate mineral with the chemical formula PbMoO4. It is known for its striking crystal formations, which are typically square or tabular in shape, and can range […]

Benitoite

Benitoite is a rare and beautiful gemstone that was first discovered in California, United States. It is known for its striking blue color and exceptional brilliance, often compared to the […]

Pezzottaite

Pezzottaite, also known as raspberry beryl or red beryl, is a rare gemstone that belongs to the beryl mineral family. It is named after Italian mineralogist Dr. Federico Pezzotta, who […]

Pectolite

Pectolite is a mineral that belongs to the silicate group. Its chemical formula is NaCa2Si3O8(OH), indicating that it consists of sodium (Na), calcium (Ca), silicon (Si), oxygen (O), and hydroxide […]

Vesuvianite

Vesuvianite, also known as idocrase, is a mineral that belongs to the silicate group. It is named after Mount Vesuvius in Italy, where it was first discovered. Vesuvianite is a […]

Australian Opals

Australian opals are unique and highly prized gemstones known for their mesmerizing play of colors and exquisite beauty. Definition: Australian opals are a type of gemstone known for their opalescent […]

Nuummite

Nuummite is a rare and unique metamorphic rock that is prized for its distinctive iridescent play of colors. It is primarily composed of two minerals: anthophyllite and gedrite, both of […]

Druzy

Druzy, also spelled as drusy or druse, refers to a particular type of mineral formation that showcases a layer of tiny crystals covering a host material’s surface. These crystals are […]

Stichtite

Stichtite is a mineral that is known for its striking violet to pinkish-purple color. It is a relatively rare mineral and is often found associated with serpentine rocks. Definition and […]