| 11. | Zgonis points out Royal Blue Sodalite from Zimbabwe and a Verde Fire Granite from Australia.
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| 12. | It may also be substituted by spinel or sodalite, or by dyed jasper or howlite.
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| 13. | Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
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| 14. | Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
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| 15. | Sodalite's six directions of poor cleavage may be seen as incipient cracks running through the stone.
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| 16. | Nepheline is very abundant and there is also cancrinite, sodalite, scapolite, calcite, biotite and hornblende.
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| 17. | Of these the former consists of orthoclase, nepheline, sodalite, diopside and aegirine, biotite and sphene.
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| 18. | In high temperature, sodalite would transform to cancrinite of which twelve-ring channels cage prefer bigger cation.
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| 19. | In nature it is frequently altered to zeolites ( especially natrolite ), sodalite, kaolin, or compact muscovite.
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| 20. | "' Sodalite "'is a rich royal blue tectosilicate mineral widely used as an ornamental gemstone.
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