opal-fire

A gemstone which really sparkles with vivacity and captivating plays of color. According to the saga, this stone originated in the waters of paradise. A precious rarity from the Mexican highlands, punctuated as they are by extinct volcanoes .

Formula: SiO2 + H2O
Hardness: 5.5 -6.5
Density: 1.97 – 2.22 g/cm3
Refractive Index: 1.37 – 1.47
Color: near colorless, yellow, orange, orange-red
Countries of Origin: Mexico
Birthstone: April

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