Entries by CAI ICIA

Blue Opal

Blue opal is a captivating and unique gemstone known for its striking blue hues and captivating patterns. This semi-precious gemstone belongs to the opal family, which is renowned for its […]

Grandidierite

Grandidierite is a rare and valuable mineral that belongs to the cyclosilicate group. It is prized for its stunning blue to bluish-green color and is known for its exceptional rarity […]

Chrysoprase

Chrysoprase is a gemstone variety of chalcedony, which is a form of quartz. It is known for its apple-green color, which comes from the presence of nickel in its composition. […]

Angelite

Angelite, also known as “blue anhydrite” or “angel stone,” is a mineral that belongs to the sulfate mineral group. It is a type of anhydrous calcium sulfate, meaning it contains […]

Pyrope Garnet

Pyrope garnet is a fascinating gemstone known for its stunning deep red color and remarkable beauty. It belongs to the garnet family, a group of minerals renowned for their diverse […]

Hackmanite

Hackmanite is a rare and fascinating mineral that exhibits a unique phenomenon known as tenebrescence. Tenebrescence is the property of certain minerals to temporarily change color when exposed to ultraviolet […]

Rubellite

Rubellite is a captivating and highly prized gemstone that belongs to the tourmaline family. Renowned for its vibrant shades of pink to red, rubellite’s alluring coloration has earned it a […]

Moroccan Geodes

Moroccan geodes are hollow, spherical or oblong rock formations that contain sparkling crystals inside. These geodes are found in various regions of Morocco, particularly in the Atlas Mountains and surrounding […]

Cerussite

Cerussite is a mineral that belongs to the carbonate group. It is composed of lead carbonate (PbCO3) and has a relatively high lead content. The name “cerussite” is derived from […]