Many of the newer members of the precious gem group include precious topaz, precious pearl, precious opal, precious coral and more.
In fact, the 'traditional' list of precious gems has been expanded from 4 gem types to numerous gem types. However, as of more recent times, the distinction between precious and semi-precious gems is no longer recognized by most professionals in the gem and jewelry trade.
These four types of precious stones typically command high prices due to their extraordinary color, brilliance and/or extreme rarity. Precious stones were known as the 'precious four' gems, which included fine sapphire, red ruby, green emerald and of course, diamond (all colors including white, yellow, red, blue, green, champagne, cognac, chocolate and etc). The term 'semi-precious' was first used in 1858 in reference to gems 'of less commercial value than a precious stone'. Most people incorrectly assume that this concept is one that dates back hundreds of years as a 'tradition'. The concept that some gemstone types are considered 'precious', while others are only 'semi-precious' is actually a recent innovation that dates back to the 19th century. Actinolite Cat's Eye 62 Agate 636 Agate Geode 21 Almandine Garnet 40 Amazonite 214 Amethyst 3,075 Amethyst Geode Slice 87 Ametrine 240 Ammolite 469 Andalusite 207 Andesine Labradorite 153 Apatite 593 Aquamarine 137 Aventurine 146 Azotic Topaz 17 Azurite 26 Black Opal 193 Bloodstone 183 Boulder Opal 234 Carnelian 114 Cat's Eye Apatite 40 Cat's Eye Aquamarine 19 Cat's Eye Gemstones 1,180 Cat's Eye Moonstone 88 Cat's Eye Opal 182 Cat's Eye Scapolite 107 Chalcedony 145 Charoite 138 Chocolate Opal 78 Chrome Diopside 25 Chrysoberyl 113 Chrysoberyl Cat's Eye 182 Chrysocolla 77 Chrysoprase 46 Citrine 4,129 Color Change Gemstones 867 Color-Change Diaspore 741 Color-Change Fluorite 61 Color-Change Garnet 65 Coral 299 Demantoid Garnet 255 Dendritic Agate 86 Diamond 637 Druzy Amethyst 6 Druzy Azurite 26 Druzy Citrine 56 Druzy Variscite 134 Emerald 934 Enstatite 5 Fire Agate 353 Fire Opal 193 Fluorite 203 Fossil Coral 334 Garnet 5,846 Golden Beryl 203 Grandidierite 196 Grossularite Garnet 52 Hawk's Eye 1 Hematite 385 Hemimorphite 49 Hemimorphite Druzy 49 Hessonite Garnet 2,123 Howlite 148 Idocrase 28 Imperial Topaz 12 Iolite 199 Jade Gemstones 342 Jadeite 342 Jasper 1,330 Kornerupine 252 Kunzite 336 Kyanite 635 Labradorite 546 Lapis Lazuli 132 Larimar 176 Lepidolite 30 Malachite 193 Malaya Garnet 167 Mali Garnet 13 Maw-Sit-Sit 136 Moonstone 787 Morganite 873 Moss Agate 78 Mother Of Pearl 106 Mystic Quartz 138 Mystic Topaz 64 Nuummite 130 Obsidian 258 Onyx 325 Opal 1,072 Opal Doublet 5 Opal In Matrix 21 Peanut Wood 24 Pearl 22 Peridot 1,330 Pietersite 614 Prehnite 854 Psilomelane Dendrite 26 Pyrite 17 Pyrope Garnet 1,856 Quartz 1,355 Quartz Cat's Eye 87 Quartz With Hedenbergite 10 Quartz With Marcasite 195 Rainbow Moonstone 587 Rainbow Pyrite 197 Rhodochrosite 161 Rhodolite Garnet 518 Rhodonite 42 Rose Quartz 784 Rubellite Tourmaline 17 Ruby 1,095 Ruby In Fuchsite 97 Ruby-Zoisite 221 Rutile Quartz 589 Sapphire 7,222 Scapolite 107 Scolecite 37 Seraphinite 62 Serpentine 82 Sillimanite 78 Sillimanite Cat's Eye 413 Smithsonite 1 Smoky Quartz 1,101 Snowflake Obsidian 39 Sodalite 37 Spectrolite 160 Spessartite Garnet 358 Sphalerite 167 Sphene 430 Spinel 934 Star Diopside 16 Star Garnet 62 Star Gemstones 903 Star Moonstone 103 Star Rose Quartz 20 Star Ruby 185 Star Sapphire 508 Star Sunstone 9 Strawberry Quartz 917 Sunstone 506 Tanzanite 705 Tiger's Eye 867 Tiger's Eye Matrix 106 Topaz 4,482 Tourmaline 2,031 Tsavorite Garnet 273 Turquoise 125 Uvarovite Garnet Drusy 65 Variscite 11 Zircon 2,139
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