"Chalcedony" is a word in ENGLISH

chalcedony ENGLISH
Definition:

A cryptocrystalline, translucent variety of quartz,
having usually a whitish color, and a luster nearly like wax.

Few words of positivity

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WORD SUGGESTIONS
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Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are …

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Distinctly crystalline; -- used of rocks. Opposed to cryptocrystalline.

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pinite ENGLISH

A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and …

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porphyritic ENGLISH

Relating to, or resembling, porphyry, that is, characterized by the presence of distinct crystals, as of feldspar, quartz, or augite, …

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prase ENGLISH

A variety of cryptocrystalline of a leek-green color.

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quartz ENGLISH

A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes …

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