Elements are fundamental substances of matter - matter that is composed of all the same atom type.  At present, 118 elements are known (four of them are still unnamed).  Of these, 98 occur naturally on Earth (hydrogen to californium).  Most of these occur in rocks & minerals, although some occur in very small, trace amounts.  Only some elements occur in their native elemental state as minerals.


To find a native element in nature, it must be relatively non-reactive and there must be some concentration process.  Metallic, semimetallic (metalloid), and nonmetallic elements are known in their native state as minerals.


  Gold (Au)


  Silver (Ag)


  Electrum (AuAg)


  Copper (Cu)


  Platinum (Pt)


  Iron (Fe)


  Antimony (Sb)


  Arsenic (As)


  Bismuth (Bi)


  Tellurium (Te)


  Graphite (C)


  Diamond (C)


  Sulfur (S)



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