| 1. | Brockite occurs in granite and granite pegmatite as an accessory mineral.
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| 2. | Accessory minerals like pyroxenes provide insight to the history of the magma.
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| 3. | Apatite, zircon and magnetite are practically always present as accessory minerals.
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| 4. | The accessory minerals are magnetite, ilmenite, apatite, and titanite.
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| 5. | It is an accessory mineral in some tantalum-rich granite pegmatites.
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| 6. | It is an accessory mineral associated with nickel laterite deposits in New Caledonia.
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| 7. | It commonly contains a few percent chromium-rich spinel as an accessory mineral.
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| 8. | The accessory minerals of these rocks are principally oligoclase, muscovite, apatite and zircon.
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| 9. | Magnetite, zircon, apatite, ilmenite, biotite, and garnet are common accessory minerals.
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| 10. | It occurs widely as an accessory mineral in igneous rocks and in calcium rich metamorphic rocks.
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