Classes- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
| Structure : Trigonal Hardness : 7 Specific Gravity : 2.65 Refractive index : 1.54 - 1.5 Doubly Refracting (bi-refraction) : 0.009 |
Saturday 11/23/2024
- Birth Stone Gems
- Wedding & Anniversary Gems
- How To Guides
- Fireable Gems
- Nonprofits and Guilds
- Gem Show
- Gem Stone Information
- ·Abalone
- ·Achroite (Tourmaline)
- ·Agate ( Chalcedony)
- ·Alexandrite
- ·Almandine ( Garnet )
- ·Amber
- ·Amethyst ( Quartz)
- ·Ammolite
- ·Andalusite
- ·Andradite Garnet
- ·Apatite
- ·Aquamarine ( Beryl )
- ·Aventurine ( Quartz )
- ·Azurite
- ·Benitoite
- ·Bloodstone ( Chalcedony )
- ·Brown Quartz ( Smokey Quartz )
- ·Calcite
- ·Carnelian ( Chalcedony )
- ·Cassiterite
- ·Celestine
- ·Cerussite
- ·Chalcedony
- ·Chatoyant Quartz
- ·Chrysoberyl
- ·Chrysocolla
- ·Chrysoprase (Chalcedony)
- ·Citrine ( Quartz )
- ·Coral
- ·Danburite
- ·Diamond
- ·Diopside
- ·Dioptase
- ·Dravite ( Tourmaline)
- ·Emerald ( Beryl )
- ·Enstatite
- ·Epidote
- ·Euclase
- ·Fire Agate (Chalcedony)
- ·Fluorite
- ·Gold
- ·Goshenite (Beryl)
- ·Grossular Garnet (Tsavorite Garnet)
- ·Gypsum
- ·Heliodor ( Beryl )
- ·Hematite
- ·Hessonite (Grossular Garnet)
- ·Imperial Topaz
- ·Indicolite ( Tourmaline)
- ·Iolite
- ·Ivory
- ·Jadeite
- ·Jasper (Chalcedony)
- ·Jet
- ·Kornerupine
- ·Kunzite
- ·Kyanite
- ·Labradorite
- ·Lapis Lazuli ( Lazurite)
- ·Lazulite
- ·Malachite
- ·Meerschaum
- ·Microcline
- ·Milky Quartz
- ·Moonstone
- ·Morganite ( Beryl)
- ·Nephrite ( Jade)
- ·Obsidian
- ·Oligoclase
- ·Onyx
- ·Opal
- ·Orthoclase
- ·Padparasha ( Corundum)
- ·Pearl
- ·Peridot
- ·Pink Topaz ( Mercury Myst Vapor )
- ·Plasma ( Chalcedony)
- ·Prase ( Chalcedony )
- ·Prehnite
- ·Pyrite
- ·Pyrope ( Garnet )
- ·Rock Crystal ( Quartz )
- ·Rubellite ( Tourmaline)
- ·Ruby ( Corundum)
- ·Sapphire ( Corundum)
- ·Sardonyx ( Chalcedony)
- ·Scapolite
- ·Schorl (Tourmaline)
- ·Shell
- ·Spessarite (Garnet)
- ·Sphalerite
- ·Spinel
- ·Spodumene (Hiddenite - Triphane)
- ·Tanzanite (Zoisite)
- ·Tektites ( Moldavite )
- ·Tiger Eye
- ·Titanite (Sphene)
- ·Topaz
- ·Turquoise
- ·YAG (Garnet)
- ·Zircon