Gemstones with SG 2.60

16 gemstones have a specific gravity range that includes 2.60. Specific gravity measures density relative to water — a key diagnostic property for gem identification. Measured by hydrostatic weighing or heavy liquids.

← All SG Values

GemstoneSG RangeRI RangeCrystal SystemHardness
Agate2.58 – 2.641.530 – 1.543Trigonal6.5–7
Bloodstone2.58 – 2.641.530 – 1.543Trigonal6.5–7
Carnelian2.58 – 2.641.530 – 1.543Trigonal6.5–7
Chalcedony2.58 – 2.641.530 – 1.543Trigonal6.5–7
Charoite2.54 – 2.681.550 – 1.559Monoclinic5–6
Chrysoprase2.58 – 2.641.530 – 1.543Trigonal6.5–7
Onyx2.58 – 2.641.530 – 1.543Trigonal6.5–7
Pietersite2.58 – 2.641.534 – 1.540Aggregate6.5–7
Iolite2.57 – 2.661.535 – 1.547Orthorhombic7–7.5
Scapolite2.50 – 2.741.540 – 1.572Tetragonal6–6.5
Coral2.60 – 2.701.486 – 1.658Aggregate3–4
Serpentine2.44 – 2.621.560 – 1.571Monoclinic3–4
Variscite2.40 – 2.601.560 – 1.590Orthorhombic3.5–4.5
Pearl2.60 – 2.851.520 – 1.690Aggregate2.5–4.5
Obsidian2.30 – 2.601.480 – 1.510Amorphous5–5.5
Turquoise2.60 – 2.901.610 – 1.650Triclinic5–6
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