Zircon market statistics

Zircon

Color: red, orange, purple, green, blue, yellow, brown
Hardness: 7.5
Refractive index: 1.78 - 2.01
Density: 3.95 - 4.80
Chemical composition: ZrSiO4
Crystal structure: tetragonal
Origins: Tanzania, Kenya, Madagascar, Cambodia, Sri Lanka, Burma, Thailand, Vietnam, Australia.

Zircons exist in a wide range of colors, but the most expensive stones are deep blue, purple, red and orange. White zircons are also valuable, probably due to their extremely high 'diamond-like' refracting properties. Brownish stones from Cambodia are usually heated to obtain an intense blue color.


Zircon 5.03 cts. Published under permission: Miguel Angel Lopez	Zircon 11.37 cts. Published under permission: Miguel Angel Lopez

Zircon 3.80 cts. Published under permission: Miguel Angel Lopez	Zircon 3.25 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 Zircon

Occurrence is represented in % for different weight categories.

Price distribution for Zircon

Occurrence is represented in % for different value intervals.

Clarity distribution for Zircon

Occurrence is represented in % for different clarity grades.

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Zircon market prices