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The chemical formula for an emerald is Be3Al2(SiO3)6. An emerald can be described as

User Inu
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Answer:

Emerald is a compound made of Beryllium, Aluminium, Silicon and Oxygen with the formula, Be3Al2(SiO3)6

Step-by-step explanation:

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Answer:

A pure substance because its a compound

Step-by-step explanation:

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