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Crystal Encyclopedia

Hackmanite

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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 (UV) light and then gradually return to their original color when placed in darkness or exposed to visible light. Hackmanite is a member of the […]

Rubellite

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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 the world of jewelry and mineral enthusiasts. Colorful Allure: Rubellite’s defining characteristic is its captivating range […]

Moroccan Geodes

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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 areas. They are created through a geological process that involves the gradual formation of mineral deposits within the cavities of rocks over millions of years. […]

Bloodstone or Heliotrope

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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 red resembling drops of blood. This striking appearance is what gives bloodstone its name […]

Banded Agate

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Banded 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 are highly prized for their aesthetic appeal. The formation of banded agate occurs through a process called […]

Enstatite

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Enstatite 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 fields. Here is a closer look at the definition and an overview of […]

Pietersite

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Pietersite 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 gemstones in their own right. Pietersite was discovered relatively recently, in 1962, […]