
Iolite or Cordierite
Crystal Encyclopedia
Iolite, also known as cordierite, is a mineral that belongs to the silicate mineral group. Its name is derived from the Greek word “ios,” which means violet, due to its characteristic violet-blue color when properly oriented and cut. Iolite has a…

Abalone Stone
Crystal EncyclopediaAbalone is not typically considered a gemstone; rather, it is a marine mollusk known for its iridescent and colorful shell. The term “abalone” refers to a group of large sea snails, specifically those in the Haliotidae family. These mollusks are often…

Eudialyte
Crystal EncyclopediaEudialyte is a rare and complex cyclosilicate mineral that is primarily recognized for its vibrant and diverse range of colors, making it a favorite among mineral collectors and lapidaries. It is also valued for its unique crystal structure and the presence…

Sapphirine
Crystal EncyclopediaSapphirine is a relatively rare mineral known for its captivating blue color and distinctive crystal structure. It belongs to the family of silicate minerals and is recognized for its role in providing insights into the geologic history and processes…

Padparadscha Sapphire
Gem Encyclopedia
Padparadscha sapphire is a rare and highly sought-after variety of the mineral corundum, which is composed of aluminum oxide with trace elements that give it its distinctive colors. The term “padparadscha” is derived from the Sinhalese word “padma…

Ammolite
Crystal EncyclopediaAmmolite is a rare and unique gemstone known for its vibrant and iridescent colors. It is formed from the fossilized remains of extinct marine mollusks called ammonites. These mollusks lived approximately 65 to 240 million years ago, during the Cretaceous…

Hawk’s Eye
Crystal EncyclopediaHawk’s Eye, also known as Falcon’s Eye or Blue Tiger’s Eye, is a fascinating and unique gemstone renowned for its striking appearance and metaphysical properties. This semi-precious gem belongs to the quartz mineral family and is closely related…

Bixbite / Red Beryl
Crystal EncyclopediaBixbite is a trade name used to refer to red beryl, a rare gemstone that is found in only a few locations worldwide. Red beryl was first discovered in 1904 in the Wah Wah Mountains of Utah, USA. The gemstone is highly sought after by collectors and jewelry…

Shungite
Crystal Encyclopedia
Shungite is a rare carbon-based mineral primarily found in Russia, known for its black, lustrous appearance and unique properties, including electrical conductivity and the presence of fullerenes. It has various applications, such as water purification,…

Libyan Desert Glass
Crystal Encyclopedia
Libyan Desert Glass is a rare and intriguing natural phenomenon with a history dating back thousands of years. It is a type of tektite, which is a form of natural glass that forms when a meteorite strikes the Earth’s surface, melting and vaporizing…

Red Amethys
Crystal EncyclopediaRed amethyst is a unique variation of amethyst, a popular and cherished gemstone known for its stunning purple hue. What sets red amethyst apart is its intriguing combination of amethyst’s traditional purple coloration with hints of red or reddish-brown…

Zoisite (Anyolite)
Crystal Encyclopedia
Zoisite is a mineral belonging to the epidote group, which is a group of silicate minerals. It was first discovered in the 19th century and was named after the Slovenian scientist Sigmund Zois von Edelstein. Zoisite is known for its wide range of colors,…