Sapphire
Sapphire is a precious gemstone that is a variety of the mineral corundum, which is composed of aluminum oxide. It is typically blue in color, but can also be found […]
Entries by CAI ICIA
Spinel
Spinel is a mineral that belongs to the group of oxides and forms in various colors, making it a popular gemstone. Its chemical composition is magnesium aluminum oxide (MgAl2O4). Spinel […]
Kyanite
Kyanite is a mineral composed of aluminum silicate, and it belongs to the family of aluminosilicate minerals. Its chemical formula is Al2SiO5. Kyanite typically forms bladed crystals, and its name […]
Rutile
Rutile is a mineral composed primarily of titanium dioxide (TiO2). It is one of the three main minerals of titanium, along with ilmenite and leucoxene. Rutile is commonly found in […]
Ruby
Ruby is a gemstone and a variety of the mineral corundum (Al2O3) that is distinguished by its red color, which is caused by trace amounts of chromium in the crystal […]
Tourmaline
Tourmaline is a fascinating gemstone that is known for its wide range of colors and unique properties. It is a crystalline mineral composed of complex borosilicate compounds and belongs to […]
Azurite
Azurite is a mineral that is commonly found in the oxidized zones of copper ore deposits. It is renowned for its vibrant blue color and has been used for various […]
Boji Stones (Shaman Stones)
Boji Stones, also known as Moqui Marbles or Shaman Stones, are small, round, naturally occurring stones found in the Navajo Sandstone formation of Utah and the surrounding areas. These stones […]
Spodumene
Crystal of bicolor spodumene var. kunzite Kunzite-Nouristan Spodumene Spodumene is a pyroxene member of inosilicate mineral with chemical formula is LiAl(SiO3)2, lithium aluminium. It can also be pink, lilac, or […]
Epidote
Epidote is a mineral that belongs to the sorosilicate group and is known for its distinct green to yellow-green color. It is widely found in metamorphic rocks, igneous rocks, and […]
Rose Quartz
Rose quartz is a pink-colored variety of the mineral quartz (SiO2), often considered one of the most popular and recognizable gemstones. It derives its name from its delicate rose-pink hue, […]
Apache Agate
Apache Agate is a type of chalcedony, a form of microcrystalline quartz known for its vibrant colors and banded appearance. Its unique name derives from the Native American Apache tribe, […]