About MineralDB

MineralDB provides curated mineral data for geology enthusiasts, students, and professionals. 137 minerals with detailed properties, from common rock forming silicates to ores, gemstones and organic gems such as amber and pearl.

Each mineral page lists the chemical formula, crystal system, Mohs hardness, specific gravity, color, luster, streak, cleavage and fracture, plus where the mineral occurs. Groups covered include Silicates (54), Sulfides (23), Oxides (16), Phosphates (8), Native Elements (7), Sulfates (7), Mineraloids (7), Carbonates (6), Halides (4), Organic (3).

Browse minerals by group from the home page, compare them by hardness, crystal system or color on the browse page, see the Mohs scale, or search by name, formula or color.

What We Cover