| 11. | "' Natrolite "'is a tectosilicate mineral species belonging to the zeolite group.
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| 12. | A few years later, additional material was obtained from the grandfathered as a valid mineral species.
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| 13. | The introduction outlines Gadolin's theories, and the text presents mineral species in a systematic ordering.
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| 14. | It was recognized as a valid mineral species by the IMA ( International Mineralogical Association ) in 2005.
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| 15. | Associated mineral species include elbaite, lepidolite, spodumene, columbite-tantalite, wodginite, and microlite.
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| 16. | When the International Mineralogical Association was founded in 1959, paramelaconite was grandfathered as a valid mineral species.
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| 17. | There are only a few thousand mineral species and 83 geochemically stable chemical elements combine to form them.
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| 18. | At L�ngban, where iron and manganese has been mined, 270 mineral species has been reported to date.
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| 19. | "Viluite " is a variety name of grossular, that is not a recognized mineral species.
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| 20. | In the past, this variety has been called leonhardite, though this is not a valid mineral species.
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