Obsidian
What is Obsidian Obsidian is an igneous rock formed from rapidly cooled molten lava. It's a mineraloid, lacking a crystalline structure, typically found in jet-black color. Variations in ...
Earth
Hematite Meaning and Properties
What is Hematite? Hematite is an iron oxide mineral with the chemical formula Fe₂O₃, known for its captivating beauty, rich history, and intriguing geological properties. Boasting a metallic ...
Marcasite
Marcasite - Colors, Sizes, and Shapes Marcasite has been known to the world since the beginning of civilization. For instance, the Greeks used it as a talisman and the Chinese mined it quite ...
Opal
The Uses of Opal Opal is one of the most attractive stones and with its wonderful traits and variety of deep, rich colors that it comes in, it has become one of the more popular gemstones of our ...
Agate
This banded variety of chalcedony isn't just known for its stunning array of colors; it's a geological wonder formed within the heart of volcanic and metamorphic rocks. Picture this: intricate ...
