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Desert rose

Crystals formed in sand, soft sandstone, or clay and resembling roses

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Deposit type

The Classification of mineral deposits defined by common genetic factors

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Deposition

The formative process of rock minerals by natural forces: volcanic, precipitation, wind, etc.

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Deposit

An accumulation of minerals or resources at one of various stages of measurement

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Diamond drill

A core drill utilizing as diamond tipped bit to interface and extract cored cross sections of various hard rock

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Diamond

The hardest naturally occurring mineral composed of densely packed carbon atoms