Loose Gemstones Opals

What causes opal’s play-of-color?

Microscopic silica spheres diffract light, creating vibrant color flashes.

Is opal fragile?

Yes, opal ranks 5.5–6.5 on the Mohs scale and requires careful handling.

Is opal a birthstone?

Yes, opal represents October.

Are all opals the same?

No, there are different types including white opal, black opal, and fire opal.

Where do the best opals come from?

Australia is the leading source of fine opals.

Is black opal the most valuable type?

Yes, black opal with strong color contrast is the most prized.

What is the price of a 1 carat opal?

Price depends on color intensity, pattern, brightness, and origin.

Is Ethiopian opal treated?

Some Ethiopian opal may undergo stabilization treatment.

Can opal be used in engagement rings?

It can be used but requires protective settings and careful wear.

5. What is fire opal?

Fire opal is known for its transparent orange to red body color.