| 1. | It is also found in pegmatite in Madagascar and in Brazil.
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| 2. | Wolframite is found in quartz veins and pegmatites associated with intrusives.
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| 3. | It is a product of the decomposition of beryl in pegmatites.
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| 4. | Brockite occurs in granite and granite pegmatite as an accessory mineral.
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| 5. | The most important sources of sheet mica are pegmatite deposits.
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| 6. | Some skarns associated with granites also tend to host pegmatites.
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| 7. | Beryllium becomes concentrated in felsic pegmatites in which chromium is almost absent.
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| 8. | Pyrochlore occurs in pegmatites associated with nepheline syenites and other alkalic rocks.
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| 9. | Spodumene occurs in lithium-rich granite pegmatites and aplites.
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| 10. | This was on a base of pegmatite and Yorkshire sandstone.
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