Discover the science and story behind your gemstones.

Quartz varieties, included quartz, chalcedony, agate, and chatoyant silica materials.

Moonstone, sunstone, amazonite, labradorite, and related feldspar varieties.

Tourmaline as a family, including black, red, watermelon, and copper-bearing varieties.

Garnet family guides, from common red material to demantoid and tsavorite.

Beryl varieties such as aquamarine and morganite, with color and treatment context.

Jadeite, nephrite, serpentine jade, turquoise, lapis lazuli, and decorative stones.

Topaz, peridot, kyanite, spodumene, zoisite, sugilite, and related silicates.

Materials whose identity and care depend on carbonate, sulfide, or phosphate mineral groups.

Volcanic glass, fossil resin, impact glass, and meteorite materials.

Commercial labels that need a sample-specific mineral or material identification.