Question: Why are black opals so expensive?

Black opals are so expensive because theyre so hard to find. The gems are formed when a solution of silicone dioxide and water evaporates from the cracks of sandstone and the darker the body tone, the more desirable a black opal. This composition means theyre more delicate than diamonds.

Why are black opals so rare?

Water carries silica through the earth, depositing it in cracks and openings in the crust. The water evaporates, but the chemical deposit is left behind. Add pressure to years and years of this process and eventually an opal takes shape. These gems are made even more rare by their elusiveness even to mining experts.

Are black opals worth valuable?

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the worlds most expensive gemstones.

Is there a stone more expensive than diamond?

3. Emeralds are rarer and often more expensive than diamonds. When it comes to rare and expensive gemstones, most of us immediately think of diamonds, but, in fact, emeralds are more than 20 times rarer than diamonds and, therefore, often command a higher price.

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