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Crystallography > Aragonite > Flashcards

Aragonite Flashcards

1
Q

What is Aragonite’s formula?

A

CaCO3

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2
Q

What is Aragonite’s crystal system?

A

Orthorhombic

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3
Q

What is Aragonite’s hardness?

A

3.5-4.0

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4
Q

What is Aragonite’s crystallography?

A

acicular or tabular

pseudohexagonal twins

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5
Q

What is Aragonite’s occurrences?

A

rare compared to calcite
metastable at low pressure
deposited from some hot springs and biogenically in shells of some marine animals

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6
Q

What is Aragonite’s polymorph?

A

Calcite

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Crystallography (26 decks)

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