| 1. | Analcime occurs as a primary mineral in analcime basalt and other alkaline igneous rocks.
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| 2. | Enamel's primary mineral is hydroxyapatite, which is a crystalline calcium phosphate.
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| 3. | Primary minerals are defined as minerals found in soil but not formed in soil.
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| 4. | VHMS and SEDEX environments are the primary mineral hosting dynamics producing base and precious metals.
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| 5. | Delafossite is usually a secondary mineral that crystallizes near oxidized copper and is rarely a primary mineral.
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| 6. | Olivine occurs in both mafic and ultramafic igneous rocks and as a primary mineral in certain metamorphic rocks.
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| 7. | Microlite occurs as a primary mineral in lithium-bearing granite pegmatites, and in miarolitic cavities in granites.
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| 8. | Many of the clayey subsoils are red or yellowish red due to the oxidized iron weathered from the primary minerals.
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| 9. | In Silver Bow County, Montana, covellite has been found in veins at depths of, as the primary mineral.
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| 10. | Cobalt is reported as the primary mineral of interest, with no mention of gold, silver, or any other mineral.
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