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Taxonomy
All taxonomy
Unclassified
2.1 Natural & Rough Specimens
2.2 Tumbled & Polished Freeforms
2.3 Slabs & Slices
2.4 Cabochons
2.5 Faceted Gemstones
2.6 Carvings & Glyptics
Baroque Tumbled Stone
Base / Back Finish
Beveled / Chamfered Girdle
Bookmatched Slab Pair
Botryoidal / Globular / Nodule
Brilliant Cuts
Briolette Cut
Buff-Top
Bullet / Drop / Cone
Cabinet
Cameo
Carved Cabochon
Collector Scale Standards
Concave / Scooped Base
Cross-Section Polished Slice
Crystal Cluster
Cushion
Dome Profiles
Double Cabochon
Drusy / Druzy Crust
Fantasy & Concave Cuts
Figurine & Totem Carvings
Flat Top / Tablet / Plaque
Floral & Foliage Carvings
Form & Workmanship
Freeform / Organic
Geode / Cavity
Girdle & Edge Finish
Heart
Hexagon & Octagon
High Dome
Hollow Back / Carbuncle
Intaglio
Knife Edge / Feather Edge
Lapped / Matte Base
Low Dome / Flat Cab
Marquise / Navette
Massage Wand
Micromount
Miniature
Mixed Cuts
Museum / Large Display
Outline Shapes
Oval
Palm Stone / Touch Stone
Pear / Teardrop
Polished Bowl / Dish
Polished Display Slab
Polished Egg
Polished Flame / Freeform
Polished Flat Base
Polished Point / Generator / Obelisk / Tower
Polished Pyramid
Polished Sphere / Ball
Rectangle / Baguette
Rose Cuts
Rough Chunk / Matrix
Rough Lapidary Slab
Round
Shield / Keystone / Trapezoid
Single Crystal / Terminated Point
Skull Carvings
Small Cabinet
Square
Standard / Medium Dome
Step Cuts
Straight Vertical Girdle
Sugarloaf / Pain de Sucre
Thumbnail / TN
Triangle / Trilliant
Windowed Specimen
Worry Stone
10k gold
14k gold
18k gold
22k gold
24k gold
950 platinum
Anklet
Anniversary
Bail
Bangle
Base metal
Bead setting
Belly ring
Bezel setting
Birthstone
Body jewelry
Box clasp
Bracelet
Brass
Bridge jewelry
Bronze
Brooch
Chain bracelet
Chain necklace
Channel setting
Charm
Charm bracelet
Choker
Clasp
Cluster setting
Component
Copper
Cuff bracelet
Drop earring
Ear climber
Ear cuff
Earring
Engagement
Engagement ring
Eternity ring
Everyday
Fashion jewelry
Fine jewelry
Flush setting
Gold
Gold-filled
Gold-plated
Green gold
Halo setting
Head
Hoop earring
Illusion setting
Invisible setting
Jewelry
Jewelry class
Jewelry style
Jewelry type
Jump ring
Lobster clasp
Locket
Metal
Metal purity
Minimalist
Necklace
Nickel silver
Nose ring
Palladium
Pave setting
Pendant
Plated or filled
Platinum
Precious metal
Prong setting
Rhodium-plated
Ring
Rose gold
Septum ring
Setting style
Shank
Signet ring
Silver
Solitaire pendant
Solitaire setting
Spring ring clasp
Stainless steel
Statement
Statement ring
Sterling silver
Stud earring
Tennis bracelet
Tension setting
Three-stone setting
Titanium
Toggle clasp
Vermeil
Vintage
Watch
Wedding
Wedding band
White gold
Yellow gold
09.A Nesosilicates
09.B Sorosilicates
09.C Cyclosilicates
09.D Inosilicates
09.E Phyllosilicates
09.F Tectosilicates
1.1 Intuitive Trade Families
1.2 Rocks & Polymineralic Aggregates
1.3 Mineraloids & Natural Amorphous Glasses
1.4 Fossils & Biogenic Organics
1.5 Official IMA Scientific Hierarchy
Agates
Albite / Oligoclase / Andesine
Alkali / Potassium Feldspars
Amazonite
Amber & Copal
Amethyst
Ametrine
Ammolite
Anyolite / Ruby in Zoisite
Apache Tears
Apatite
Aquamarine
Azurite
Azurmalachite
Beryl Family
Bixbite / Red Beryl
Black Obsidian
Bloodstone / Heliotrope
Blue Lace Agate
Botswana Agate
Brecciated Jasper
Bumblebee Jasper
Carbonate & Copper Minerals
Carnelian & Sard
Chalcedonies & Agates
Charoite Rock
Chrome Chalcedony / Mtorolite
Chrysocolla
Chrysoprase
Citrine
Class 01: Native Elements
Class 02: Sulfides & Sulfosalts
Class 03: Halides
Class 04: Oxides & Hydroxides
Class 05: Carbonates & Nitrates
Class 06: Borates
Class 07: Sulfates, Chromates, Molybdates, Tungstates
Class 08: Phosphates, Arsenates, Vanadates
Class 09: Silicates
Class 10: Organic Minerals
Clear Quartz / Rock Crystal
Common Opal
Corundum Family
Crazy Lace Agate
Dalmatian Stone
Dendritic Agate
Diopside
Dragon Blood Rock
Dravite
Dumortierite Quartz
Eclogite
Elbaite
Emerald
Enhydro Quartz
Feldspar Family
Fire Agate
Fluorite
Fortification Agate
Fossil Coral / Petoskey Stone
Garnet Family
Goshenite
Graphic Granite / Runite
Heliodor / Golden Beryl
Hematite & Magnetite
Hemimorphite
Herkimer "Diamond"
Iolite / Cordierite
Iris Agate
Jadeite
Jaspers
Jet
K2 Stone
Kambaba Jasper
Kyanite
Labradorite
Laguna Agate & Condor Agate
Lake Superior Agate
Lapis Lazuli
Larimar / Blue Pectolite
Macrocrystalline Quartz
Mahogany Obsidian
Malachite
Material & Composition
Milky Quartz / Snow Quartz
Mookoite Jasper
Moonstone
Morganite
Morion
Moss Agate
Nephrite
Obsidian
Ocean Jasper / Orbicular Jasper
Onyx & Sardonyx
Opal
Orthoclase
Other Key Gem & Collector Minerals
Pearl & Mother of Pearl
Peridot / Olivine
Petrified Wood & Agatized Dinosaur Bone
Phantom Quartz
Picture Jasper
Plagioclase Feldspars
Plume Agate & Flame Agate
Poppy Jasper
Prase & Plasma
Prasiolite
Precious Coral
Precious Opal
Prehnite
Pyralspite Series
Pyrite & Marcasite
Pyroxene & Amphibole Families
Quartz & Silica Family
Rainbow Moonstone
Rainbow Obsidian & Sheen Obsidian
Rainforest Jasper
Red Jasper & Yellow Jasper
Rhodochrosite
Rhodonite
Rose Quartz
Ruby
Ruby in Fuchsite
Rutilated Quartz
Sapphire
Schorl
Septarian Nodule / Dragon Stone
Serpentine Rock / Bowenite / Williamsite
Smithsonite & Cerussite
Smoky Quartz
Snowflake Obsidian
Soapstone / Steatite
Spectrolite
Spinel Group
Spodumene
Strawberry Quartz
Sugilite in Matrix
Sunstone / Oregon Sunstone
Tanzanite / Zoisite
Tektites & Impactites
Tiger's Eye, Hawk's Eye & Pietersite
Topaz
Tourmalinated Quartz
Tourmaline Supergroup
Turquoise
Turritella Agate
Ugrandite Series
Unakite
Water Agate / Enhydro Agate
Zircon
12-Ray Star
4-Ray Star
6-Ray Star
Adularescence
Asterism
Aventurescence
Blue / Peacock Flash
Blue Sheen Adularescence
Broad Flash / Rolling Flash
Chatoyancy
Color-Change / Alexandrite Effect
Copper Platelets
Floral / Chaff Patterns
Full-Spectrum Flash / Spectrolite
Harlequin Pattern
Iridescence / Thin-Film Interference
Labradorescence
Luminescence
Mica / Fuchsite Platelets
Optical Phenomena
Phosphorescence
Pinfire Pattern
Play-of-Color
Pleochroism
Silky Wavy Chatoyancy
Single Sharp Eye Line
Tenebrescence / Reversible Photochromism
UV Fluorescence
White / Silver Adularescence
Acrylic / Resin Vacuum Impregnation
Agate Dyeing
Assembled Composites
Cedarwood / Colorless Oil Fracture Filling
Chalcedony & Quartz Dyeing
Coated / Surface Vapor-Deposited
Color Modification
Doublet
Dyed
Electron / Gamma Radiation
Fracture-Filled / Clarity Enhanced
Glass-Filled Ruby
Heat-Treated
Howlite / Magnesite dyed to imitate Turquoise
Intarsia / Inlay Mosaic
Irradiated
Metal Oxide Surface Coating
Mined, sawed, and polished; zero heat, chemical, dye, or resin additions
Natural / Untreated
Opticon / Polymer Filling
Paraffin Wax Surface Polish
Silk Dissolution / Clarity
Sodium Silicate ("Water Glass") Hardening
Stabilized / Polymer Impregnated
Titanium Vapor Deposition
Treatments & Enhancements
Triplet
Waxed / Oiled
Color
Any color
Black
Azure
Blue
Cyan
Indigo
Navy
Sky blue
Beige
Bronze
Brown
Chocolate
Copper
Rust
Tan
Gray
Silver
Emerald
Green
Jade
Olive
Teal
Turquoise
Amber
Orange
Peach
Magenta
Pink
Rose
Salmon
Amethyst
Lavender
Lilac
Purple
Violet
Crimson
Maroon
Red
Scarlet
Iridescent
Multicolor
Colorless
White
Cream
Gold
Yellow
Origin
Any origin
Afghanistan
Åland Islands
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana
Bouvet Island
Brazil
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Caribbean Netherlands
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos Islands
Colombia
Comoros
Cook Islands
Costa Rica
Croatia
Cuba
Curaçao
Cyprus
Czechia
Denmark
Djibouti
Dominica
Dominican Republic
DR Congo
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
France
French Guiana
French Polynesia
French Southern Territories
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Heard Island
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Isle of Man
Israel
Italy
Ivory Coast
Jamaica
Japan
Jersey
Jordan
Kazakhstan
Kenya
Kiribati
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
Northern Mariana Islands
North Korea
North Macedonia
Norway
Oman
Pakistan
Palau
Palestine
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn
Poland
Portugal
Puerto Rico
Qatar
Republic of the Congo
Réunion
Romania
Russia
Rwanda
Saint Barthélemy
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Martin
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Samoa
San Marino
São Tomé and Príncipe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Sint Maarten
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Georgia
South Korea
South Sudan
Spain
Sri Lanka
Sudan
Suriname
Svalbard and Jan Mayen
Sweden
Switzerland
Syria
Taiwan
Tajikistan
Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
United States Minor Outlying Islands
Uruguay
U.S. Virgin Islands
Uzbekistan
Vanuatu
Vatican City
Venezuela
Vietnam
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
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Obsidian Botryoidal Specimen
Obsidian Arts
Obsidian
$22.41
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Opal Polished Slab
Appalachian Minerals
Opal
$19.67
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Opal Crystal Cluster
Kalahari Stone Co.
Opal
$18.30
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