Topaz
Topaz is a silicate mineral and a member of the aluminum silicate family. It is renowned for its dazzling array of colors, including shades of blue, yellow, pink, brown, and […]
Entries by CAI ICIA
Serpentine
Serpentine is the common name of a group of minerals. Apart from the main members of Antigorite and Chrysotile, there is usually no distinction between individual members except for scientific […]
Apatite
Apatite is a mineral that is composed of calcium phosphate, with the chemical formula Ca5(PO4)3(OH,F,Cl). It is a member of the apatite group of minerals, which also includes hydroxylapatite and […]
Opal
Opals are a unique and mesmerizing gemstone known for their distinctive play of color, making them one of the most sought-after and mysterious gemstones in the world. In this introduction, […]
Malachite
Malachite is a carbonate mineral with chemical composition of Cu2CO3(OH)2. Possibly the earliest ore of copper, malachite is believed to have been mined in the Sinai and eastern deserts of […]
Beryl
Beryl is a mineral composed of beryllium aluminium cyclosilicate, with the chemical formula Be3Al2(Si6O18). It belongs to the cyclosilicate mineral group, which is characterized by its unique arrangement of silicate […]
Celestobarite
Celestobarite is a rare mineral that belongs to the barite group. It is a compound composed of strontium sulfate (SrSO4) and barium sulfate (BaSO4), hence its name, which combines “celestine” […]
Amygdaloidal Agate
Amygdaloidal agate is a specific type of agate that forms within the voids or cavities of volcanic rocks. These voids, often created by gas bubbles in the lava, are called […]
Liddicoatite
Liddicoatite is a fascinating mineral that belongs to the extensive tourmaline group. This gemstone is chemically classified as a calcium-rich lithium aluminum borosilicate. The characteristic that distinguishes liddicoatite from other […]
Pink Rhodochrosite
Pink rhodochrosite is a beautiful gemstone known for its delicate pink hue and unique patterns. It is a manganese carbonate mineral with the chemical formula MnCO3. Rhodochrosite belongs to the […]
Fire Quartz
Fire quartz is a captivating variety of quartz distinguished by its fiery appearance, often due to inclusions of hematite or goethite. These inclusions create a mesmerizing play of light, resembling […]
Ekanite
Ekanite is a silicate mineral with a chemical composition typically expressed as Ca2ThSi8O20Ca2ThSi8O20. It is often found as a tetragonal crystal system but is usually metamict due to the radioactive […]