gemstone
Showing 81–100 of 200 results
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Gemstones
Kornerupine Crystal — Natural Crystal
Mohs hardness: 6.5$1,902.82 -
Gemstones
Ruby Crystal in Matrix — Exceptional Quality
Mohs hardness: 9$702.40 -
Gemstones
Sapphire Crystal — Cornflower Blue — Natural Crystal
Mohs hardness: 9$9,697.67 -
Gemstones
Topaz — Precious Pink (Unheated) — Cabinet Specimen
Mohs hardness: 8$4,675.16 -
Gemstones
Black Opal
Mohs hardness: 5.5–6.5$4,091.72 -
Gemstones
Color-Change Garnet
Mohs hardness: 7.25$664.75 -
Gemstones
Diamond Crystal — Rough Octahedron — Gem Rough
Mohs hardness: 10$2,842.87 -
Gemstones
Color-Change Garnet — Cabinet Specimen
Mohs hardness: 7.25$743.80 -
Gemstones
White Opal — Harlequin — Cabinet Specimen
Mohs hardness: 5.5–6.5$2,417.73 -
Gemstones
Spinel Crystal — Cobalt Blue — Exceptional Quality
Mohs hardness: 8$997.13 -
Gemstones
Color-Change Garnet — Large Example
Mohs hardness: 7.25$6,105.00 -
Gemstones
Sapphire Crystal — Cornflower Blue
Mohs hardness: 9$8,814.41 -
Gemstones
Star Sapphire — 6-Ray — Cabinet Specimen
Mohs hardness: 9$1,216.90 -
Gemstones
Star Ruby — Gem Rough
Mohs hardness: 9$3,765.72 -
Gemstones
Star Sapphire — 6-Ray — Gem Rough
Mohs hardness: 9$946.02 -
Gemstones
Demantoid Garnet — Horsetail Inclusion — Collector Grade
Mohs hardness: 6.5–7$6,117.87 -
Gemstones
Sphene Crystal — Titanite — Large Example
Mohs hardness: 5–5.5$1,093.31 -
Gemstones
Grandidierite Crystal — Natural Crystal
Mohs hardness: 7–7.5$8,496.79 -
Gemstones
Tsavorite Garnet Crystal — Cabinet Specimen
Mohs hardness: 7–7.5$3,307.41 -
Gemstones
Rough Emerald Crystal — Gem Grade
Mohs hardness: 7.5–8$5,332.44