What makes native elements different from other non-silicate minerals?
native elements contain silicon compounds.
native elements are composed of only one element.
native elements contain sulfur compounds.
native elements contain oxygen compounds.

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Minerals that do not contain compounds of silicon and oxygen are called nonsilicate minerals. Some of these minerals are made of elements such as carbon, oxygen, fluorine, and sulfur. Fluorite Galena Gypsum Corundum Native elements are minerals that are made of only one element. ... Calcite is a carbonate mineral.

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hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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