Entries by CAI ICIA

Orbicular Jasper

Orbicular jasper is a variety of jasper, a type of chalcedony, known for its distinctive orb-like patterns. These patterns can vary in size, color, and arrangement, creating unique and visually […]

Eye Agate

Eye agate is a unique variety of agate, a form of chalcedony, known for its distinctive patterns resembling eyes. These eye-like formations, often called “agate eyes,” are concentric circles or […]

Musgravite

Musgravite is a rare and precious gemstone that belongs to the oxide mineral family. It is a member of the taaffeite family, which also includes taaffeite and lavenderite. Musgravite is […]

Pyroxene

augite fassaiteaugite pyroxene mineralAugite Pyroxene is a set of essential rock-forming inosilicate minerals discovered in many igneous and metamorphic rocks. Pyroxenes have the general components is XY(Si,Al)2O6. Although aluminium substitutes […]

Wollastonite

Wollastonite Wollastonite Wollastonite is a group of innosilicate mineral, formula is CaSiO3 that may inlude small amount of magnesium, manganese and iron substituting for calcium. A valuable industrial mineral, wollastonite […]

Cavansite

Cavansite is a relatively rare and striking mineral known for its vibrant blue color. The name “cavansite” is derived from its chemical composition, as it contains calcium (Ca), vanadium (V), […]

Olivine

Olivine is one of the most common minerals within the earth, and is a prime rock forming mineral. Despite this, desirable specimens and huge crystals are unusual and fashionable. Only […]

Sillimanite

Sillimanite is a mineral that belongs to the group of aluminosilicate minerals known as the sillimanite group. It is named after the American chemist Benjamin Silliman Jr., who first described […]

Kaolinite

Kaolinite Mineral Rock Kaolinite sample from Twiggs County, Georgia, USA. This sample is from the Cretaceous rocks of Georgia Kaolinite is a clay mineral with chemical composition Al2Si2O5(OH)4. It is […]