The Gemstone Encyclopedia
Discover the world's most beautiful gemstones. Properties, origins, comparisons, and expert guides — all in one place.
Today's Gemstone
Sodalite
Semi-Precious Gems
Sodalite is a deep royal blue sodium silicate with white veining, found in Brazil, Canada, and Namibia, often used as a lapis lazuli alternative in jewelry and carvings.
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Hardness: 8.5
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Hardness: 6.5
Sapphire
Hardness: 9.0
Moldavite
Hardness: 5.5
Aquamarine
Hardness: 7.5
Kunzite
Hardness: 6.0
Zircon
Hardness: 7.5
Benitoite
Hardness: 6.0
Spessartine
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Bloodstone (Heliotrope)
Hardness: 6.5
Charoite
Hardness: 5.0
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