With a contrasting deep dark background, the play-of-color phenomenon and its kaleidoscopic rainbow of colors can really stand out. The black refers to the material known as potch upon which the precious and colorful Opal is formed. Black Opal Colorsīlack Opal is a slightly inaccurate name as a totally black opal would be pretty much worthless. Actinolite Cat's Eye 63 Agate 647 Agate Geode 25 Almandine Garnet 54 Amazonite 239 Amethyst 2,971 Amethyst Geode Slice 1 Ametrine 312 Ammolite 489 Andalusite 234 Andesine Labradorite 159 Apatite 569 Aquamarine 238 Aventurine 92 Azurite 16 Black Opal 120 Bloodstone 121 Boulder Opal 190 Carnelian 100 Cat's Eye Apatite 45 Cat's Eye Aquamarine 19 Cat's Eye Gemstones 1,139 Cat's Eye Moonstone 163 Cat's Eye Opal 105 Cat's Eye Scapolite 129 Chalcedony 139 Charoite 162 Chocolate Opal 84 Chrome Diopside 13 Chrome Tourmaline 3 Chrysoberyl 132 Chrysoberyl Cat's Eye 96 Chrysocolla 93 Chrysoprase 98 Citrine 4,251 Color Change Gemstones 984 Color-Change Diaspore 833 Color-Change Fluorite 71 Color-Change Garnet 75 Color-Change Sapphire 4 Coral 322 Demantoid Garnet 280 Dendritic Agate 83 Diamond 249 Druzy Amethyst 6 Druzy Azurite 16 Druzy Variscite 69 Emerald 408 Enstatite 5 Fire Agate 272 Fire Opal 155 Fluorite 243 Fossil Coral 346 Garnet 5,870 Golden Beryl 265 Grandidierite 213 Grossularite Garnet 69 Hawk's Eye 1 Hematite 398 Hemimorphite 53 Hemimorphite Druzy 53 Hessonite Garnet 2,065 Howlite 172 Hyalite Opal 1 Idocrase 8 Imperial Topaz 13 Iolite 127 Jade Gemstones 402 Jadeite 402 Jasper 1,256 Kornerupine 202 Kunzite 103 Kyanite 485 Labradorite 412 Lapis Lazuli 186 Larimar 110 Malachite 188 Malaya Garnet 194 Mali Garnet 19 Maw-Sit-Sit 139 Moonstone 802 Morganite 960 Mother Of Pearl 114 Mystic Topaz 116 Nuummite 148 Obsidian 228 Onyx 144 Opal 876 Opal Doublet 25 Opal In Matrix 23 Pearl 27 Peridot 1,389 Pietersite 374 Prehnite 898 Pyrite 21 Pyrope Garnet 2,078 Quartz 1,458 Quartz Cat's Eye 108 Quartz With Hedenbergite 11 Quartz With Marcasite 204 Rainbow Moonstone 425 Rainbow Pyrite 218 Rhodochrosite 186 Rhodolite Garnet 570 Rose Quartz 865 Rubellite Tourmaline 34 Ruby 1,123 Ruby In Fuchsite 97 Ruby-Zoisite 231 Rutile Quartz 697 Sapphire 8,039 Scapolite 129 Scolecite 40 Seraphinite 74 Serpentine 65 Sillimanite 90 Sillimanite Cat's Eye 411 Smithsonite 1 Smoky Quartz 1,281 Snowflake Obsidian 46 Sodalite 39 Spectrolite 91 Spessartite Garnet 220 Sphene 434 Spinel 870 Star Diopside 29 Star Garnet 11 Star Gemstones 750 Star Moonstone 124 Star Rose Quartz 23 Star Ruby 208 Star Sapphire 355 Strawberry Quartz 971 Sunstone 536 Tanzanite 869 Tiger's Eye 564 Tiger's Eye Matrix 16 Topaz 4,513 Tourmaline 2,033 Tsavorite Garnet 235 Turquoise 143 Variscite 17 Zircon 2,317īlack Opals are just one of the many varieties found in this intriguing and fantastic looking gemstone family which also includes white opals, boulder opals, fire opals, pink Peruvian opals, hyalite opals and many, many more.īlack Opals are one of the more well known varieties and, generally speaking, are the most valuable of them all.

Black opal