You might have heard of clear quartz-like crystals, Microcrystalline quartz. It is a special kind of quartz that forms in tiny crystals, so small that you usually need a microscope to see them. These ...

Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, rubies, and emeralds. Semi-precious stones are evaluated on their rarity and ...