by Gelogia Team | Jun 24, 2026 | Mineralogy
Opal is one of the most fascinating gemstones in the world because it forms differently from most minerals. Unlike crystalline gemstones such as diamond, ruby, or emerald, opal develops when silica-rich water slowly deposits microscopic silica spheres within rock...
by Gelogia Team | Jun 24, 2026 | Mineralogy
Beryl is one of the most important gemstone mineral groups in the world. It includes several famous gemstones such as emerald, aquamarine, morganite, heliodor, and goshenite. The mineral is valued for: exceptional crystal quality beautiful colors gemstone transparency...
by Gelogia Team | Jun 24, 2026 | Mineralogy
Garnet is one of the most diverse and widely recognized gemstone groups in the world. Although many people associate garnet with deep red gemstones, garnets actually occur in a remarkable range of colors including green, orange, pink, yellow, purple, and even nearly...
by Gelogia Team | Jun 24, 2026 | Mineralogy
Turquoise is one of the oldest known gemstones and has been treasured for thousands of years because of its distinctive blue-to-green color. Ancient civilizations used turquoise for jewelry, ceremonial objects, carvings, and decorative art long before the discovery of...
by Gelogia Team | Jun 22, 2026 | Mineralogy
Lapis lazuli is one of the most famous ornamental stones in human history. Revered for its intense royal-blue color and sparkling golden pyrite inclusions, lapis lazuli has been prized for thousands of years by civilizations ranging from ancient Egypt to Renaissance...
