| http://www.w3.org/ns/prov#value | - Here, it is inconsequential whether the relatively hard diatomaceous earth originates predominantly from the cylindrical siliceous alga Melosira granulata, for example the commercially available types MN or LCS from EP Minerals LLC, or from a plate-like siliceous alga identical or similar to the Coscinodicineae type, for example the commercially available types Celite 209, Celite 400, Masis, AG-WX
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