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4 Cards in this Set
- Front
- Back
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Streak
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A long, thin or mark of a different substance or color from its surrounding: a streak of oil.
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luster
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A gentle sheen or soft glow, esp. that of a partly reflective surface.
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Fracture
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The cracking or breaking of a hard object or material.
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Crystal form
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a set of crystal faces defined according to their relationship to the crystal axes.
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