| 1. | Pyroxene and feldspar are the major minerals in basalt and gabbro.
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| 2. | The granite generally consists of quartz, hornblende, and feldspars.
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| 3. | Oligoclase is a high sodium feldspar crystallizing in the triclinic system.
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| 4. | Their composition includes amphibolites, quartz feldspar, Phyllites and slate.
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| 5. | The mixture for the white glaze contains Feldspar and wood ash.
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| 6. | Antaeus Feldspar 15 : 39, 28 December 2005 ( UTC)
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| 7. | Feldspars comprise a considerably lesser portion of framework grains and minerals.
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| 8. | Quartz and feldspar increase in size and abundance yoward the top.
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| 9. | They are cemented by quartz, feldspar and some carbonate matrix.
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| 10. | Large feldspar crystals occur in both the granite and dark hornfels layers
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