
Chrysoprase
Crystal Encyclopedia
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. The name “chrysoprase” is derived from the Greek words “chrysos” meaning…

Angelite
Crystal Encyclopedia
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 calcium, sulfur, and oxygen, but not water. The name “angelite”…

Pyrope Garnet
Crystal EncyclopediaPyrope 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 range of colors, and pyrope is specifically recognized for its vibrant…

Chrysanthemum Stone
Crystal EncyclopediaChrysanthemum stone is a unique and captivating mineral with a rich history, valued for its striking appearance and intricate patterns. This stone is not a true mineral in the geological sense, but rather a rock composed of several different minerals,…

Hackmanite
Crystal EncyclopediaHackmanite 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 (UV) light and then gradually return to their…

Rubellite
Crystal Encyclopedia
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 place among the most sought-after and cherished gemstones in…

Moroccan Geodes
Crystal EncyclopediaMoroccan 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 areas. They are created through a geological…

Cerussite
minerals
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 the Latin word “cerussa,” which means white lead, reflecting its…

Bloodstone or Heliotrope
Crystal Encyclopedia
Bloodstone, also known as heliotrope, is a unique and distinctive gemstone that has captivated people for centuries. It is a form of chalcedony, a microcrystalline variety of quartz, and is recognized for its deep green color with specks or patches of…

Banded Agate
Crystal EncyclopediaBanded agate is a type of chalcedony quartz characterized by its unique banding patterns, which are formed by alternating layers of different colors and textures. These bands can vary in color, thickness, and clarity, creating mesmerizing patterns that…

Enstatite
Crystal EncyclopediaEnstatite is a mineral that belongs to the pyroxene group, which is a class of silicate minerals. It is known for its unique crystalline structure and a range of physical properties that make it an interesting and important mineral in various scientific…

Pietersite
Crystal EncyclopediaPietersite is a unique and striking gemstone known for its captivating chatoyancy and vibrant color variations. It is a type of chalcedony, which is a variety of quartz, and is primarily composed of hawk’s eye and tiger’s eye, both of which are well-known…