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What is the term used for fluorapatite with more than 1% fluorine, commonly found in sedimentary rocks?
What is the term used for fluorapatite with more than 1% fluorine, commonly found in sedimentary rocks?
What is the common range of carbonate ion content in fluorapatite?
What is the common range of carbonate ion content in fluorapatite?
What color are hydroxyl apatite crystals in their natural state?
What color are hydroxyl apatite crystals in their natural state?
In what crystal system does hydroxyl apatite crystallize?
In what crystal system does hydroxyl apatite crystallize?
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% of fluorine determines whether apatite may be termed as Francolite or Dahllite. What is the threshold for each?
% of fluorine determines whether apatite may be termed as Francolite or Dahllite. What is the threshold for each?
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