| 41. | Accessory phases include titanite, apatite, corundum, zircon, magnetite and ilmenite.
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| 42. | An example of a metamict mineral is zircon.
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| 43. | Different from granite, zircon is rare and if present it is as xenocrysts.
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| 44. | On the other hand, nepheline syenite gneiss contains abundant and large zircon crystals.
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| 45. | Zircon was cancelled by Chancellor Nigel Lawson on grounds of its cost in 1987.
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| 46. | From a historical perspective, the most notable natural simulant of diamond is zircon.
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| 47. | The port at Thevenard, handles bulk grain, gypsum, salt and zircon.
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| 48. | Other minor inclusions are sphene, apatite, rutile, zircon, and sphalerite.
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| 49. | U-Pb zircon dating gives an age of 566Ma + /-2Ma.
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| 50. | The information are regarding my company Zircon Limited.
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