Agate (Chalcedony)
red-banded agate that is also known as sard or sardonyx
Alexandrite (Chrysoberyl)
faceted alexandrite displaying the color change effect
Amber (Amber)
amber specimen
Amethyst (Quartz)
amethyst crystals
rough specimen
amethyst geode
Ametrine (Quartz)
faceted ametrine
Apatite (Apatite)
Aquamarine (Beryl)
faceted aquamarine
Aventurine (Chalcedony)
Azurite
azurite crystals
azurite geode
Benitoite (Benitoite)
Beryl (Beryl)
electron micrograph of hexagonal beryl crystal
Bloodstone (Chalcedony)
polished bloodstone nugget
Carnelian (Chalcedony)
carnelian specimen
Chalcedony
Chrome Diopside (Diopside)
Chrysoberyl (Chrysoberyl)
faceted chrysoberyl
Chrysoprase (Chalcedony)
Chrysocolla
Citrine (Quartz)
faceted citrine
Diamond (Diamond)
rough octohedral diamond crystal
cut diamonds
Emerald (Beryl)
858-carat Galacha Emerald
Fluorite
Garnet (Almandine, Andratite, Grossularite, Pyrope, Spessartine, Uvarovite)
garnet crystals with quartz
Heliodore (Beryl)
Heliotrope (Chalcedony)
polished heliotrope
Hematite
Hessonite (Grossularite)
Hiddenite (Spodumene)
hiddenite from Hiddenite, NC
Iolite (Cordierite)
faceted iolite
Jade (Jadeite or Nephrite)
Jasper (Chalcedony)
Kunzite (Spodumene)
Kyanite
kyanite crystals
Labradorite
Lapis Lazuli (Lazurite)
Malachite (Malachite)
polished malachite nugget
Moonstone (Albite, Microcline Feldspar, Orthoclase, Plagioclase)
Morganite (Beryl)
Onyx (Chalcedony)
Opal (Opal)
rough opal from Nevada
Pearl
black pearl and the mollusk shell
Peridot (Olivine)
rough peridot
Quartz (Quartz)
quartz crystals
Rhodochrosite (Rhodochrosite)
Rhodolite (Almandine-Pyrope Garnet)
Rock Crystal (Quartz)
quartz crystals
Rose Quartz (Quartz)
rough rose quartz
Ruby (Corundum)
faceted ruby
rough ruby
Sapphire (Corundum)
faceted sapphire with diamonds
star sapphire
Sard (Chalcedony)
red-banded agate that is also known as sard or sardonyx
Sardonyx
red-banded agate that is also known as sard or sardonyx
Sinhalite (Sinhalite)
Sodalite (Sodalite)
rough sodalite specimen
Spinel (Spinel)
spinel crystals
Sugilite (Sugilite)
Sunstone (Oligoclase Feldspar)
Tanzanite (Zoisite)
faceted tanzanite
Titanite (Sphene)
Topaz (Topaz)
topaz crystals
Tourmaline (Tourmaline)
tri-color tourmaline crystals with quartz
Tsavorite (Grossularite)
Turquoise (Turquoise)
polished turquoise nugget
Zircon (Zircon)
