Because of its porous quality, an opal absorbs liquids and therefore a stone which is nearly opaque when dry may be practically transparent when soaked in water. This may aid in deception, as light-colored opals may be dyed darker to resemble rarer varieties of the stone.

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Question

Because of its porous quality, an opal absorbs liquids and therefore a stone which is nearly opaque when dry may be practically transparent when soaked in water. This may aid in deception, as light-colored opals may be dyed darker to resemble rarer varieties of the stone.

Look at this extract from the passage. What does the writer mean?

Look at this extract from the passage. What does the writer mean?

Answer

The porous quality of opals can make them quite rare.

Answer

Dyeing an opal can give it some rare qualities.

Answer

It is easy to make a common opal appear to be a rare one.

Answer

Darker opals are light-colored opals that have been dyed.

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Because of its porous quality, an opal absorbs liquids and therefore a stone whi...

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