Spinel market statistics

Spinel

Color: red, orange, yellow, purple, blue, green, grey Hardness: 8 Refractive index: 1.71 - 1.92 Density: 3.60 - 4.00 Chemical composition: MgAl2O4 Crystal structure: isometric Origins: Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia. Spinel probably is the most commonly seen sapphire imitation. The most expensive spinels are purple, red, orangey-red and blue.

Spinel 1.05 cts. Published under permission: Miguel Angel Lopez

The figures are based on Gemval's aggregated valuation statistics for the retail market. Irrelevant, controversial or repeat data are excluded from our analysis wherever possible. The figures are updated monthly.

Weight distribution for Spinel

Occurrence is represented in % for different weight categories.

Price distribution for Spinel

Occurrence is represented in % for different value intervals.

Clarity distribution for Spinel

Occurrence is represented in % for different clarity grades.

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