Glittering Stones >> Semi precious stones >> Feldspar Rings

Semi Precious Stone Feldspar Rings

Feldspar RingsThe feldspar group is a fairly large group with nearly 30 members recognized, but only nine are well known and common. The feldspars are a family of silicate raw materials which occur in igneous rocks. There are many different members to the feldspar group. Obviously, silica and oxygen form the base for the group, but calcium, sodium, and potassium are also present. One of these elements is typically dominant, but most of the feldspars contain all 3 in unreliable amounts. It is the proportions of these 3 elements which help decide which specific feldspar is formed.

Feldspar minerals are essential mechanism in igneous, metamorphic and sedimentary rocks, to such a degree that the classification of a number of rocks is based upon feldspar content.

 

   
 
 
 
 
 
 
 
 

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