How Rare Is Opal? Silica Is One of the Most Common Minerals on the Planet, but Precious Opal Is Very Rare – Far More Rare Than Diamonds. Precious Opal Is Rare Because the Natural Processes That Create It Rarely Occur. Most (At Least 95%) of the Opal Found by Miners Is Common Opal Without Gem Colour.
Are Opals Rare?
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★ Key Takeaways
How Rare Is Opal? Silica Is One of the Most Common Minerals on the Planet, but Precious Opal Is Very Rare – Far More Rare Than Diamonds. Precious Opal Is Rare Because the Natural Processes That Create It Rarely Occur. Most (At Least 95%) of the Opal Found by Miners Is Common Opal Without Gem Colour.
Direct Answer • Key Takeaway