gemstone
Showing 61–80 of 200 results
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Gemstones
Coral Specimen — Red — Exceptional Quality
Mohs hardness: 3.5$328.61 -
Gemstones
Padparadscha Sapphire Crystal — Gem Rough
Mohs hardness: 9$21,750.89 -
Gemstones
Color-Change Garnet — Large Example
Mohs hardness: 7.25$6,105.00 -
Gemstones
Color-Change Garnet
Mohs hardness: 7.25$664.75 -
Gemstones
Demantoid Garnet — Horsetail Inclusion — Exceptional Quality
Mohs hardness: 6.5–7$11,717.40 -
Gemstones
Spinel Crystal — Cobalt Blue — Large Example
Mohs hardness: 8$8,632.12 -
Gemstones
Paraíba Tourmaline — Neon Blue — Natural Crystal
Mohs hardness: 7–7.5$20,300.36 -
Gemstones
Spinel Crystal — Red — Collector Grade
Mohs hardness: 8$2,493.55 -
Gemstones
Star Ruby — Exceptional Quality
Mohs hardness: 9$5,780.63 -
Gemstones
Kornerupine Crystal — Collector Grade
Mohs hardness: 6.5$4,463.77 -
Gemstones
Sphene Crystal — Titanite — Gem Rough
Mohs hardness: 5–5.5$512.67 -
Gemstones
Black Opal — Gem Rough
Mohs hardness: 5.5–6.5$7,249.32 -
Gemstones
Color-Change Garnet — Gem Rough
Mohs hardness: 7.25$5,996.85 -
Gemstones
Topaz — Precious Pink (Unheated) — Collector Grade
Mohs hardness: 8$1,264.91 -
Gemstones
Sapphire Crystal — Cornflower Blue — Exceptional Quality
Mohs hardness: 9$5,556.95 -
Gemstones
Topaz — Precious Pink (Unheated) — Gem Rough
Mohs hardness: 8$2,273.49 -
Gemstones
Sphene Crystal — Titanite — Gem Rough
Mohs hardness: 5–5.5$300.32 -
Gemstones
Grandidierite Crystal — Exceptional Quality
Mohs hardness: 7–7.5$7,697.54 -
Gemstones
Sapphire Crystal — Cornflower Blue — Natural Crystal
Mohs hardness: 9$9,697.67 -
Gemstones
Rough Emerald Crystal — Gem Grade — Cabinet Specimen
Mohs hardness: 7.5–8$2,394.15