🔤 Opal

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URDU

دودھیا پتھر
🇬🇧

ENGLISH

📚noun
opal
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PRONUNCIATION

Standard: əʊpəl
Phonetic: əʊpəl
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DEFINITION

A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.
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