Hainan, China

Prospective alluvial sapphire deposits related to Cenozoic trachybasalt volcanic formations. Modern alluvial placer deposits, in which yellow, green, blue sapphires occur with olivine, pyroxene (enstatite, etc.), black spinel, zircon and pyrope.

Ref: E.Ya. Kievlenko (2003) Geology of gems, p. 68

Gemstone List

Gem list contains entries from all listed localities in region.

Corundum
var: Sapphire
Garnet Group
var: Pyrope
Spinel
Zircon

Localities in this Region


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