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Egypt
Personne àcontacter Mr. mohamed
cairo, cairo, cairo
Feldspar group
potassium feldspar- Sodium feldspar-sodium potassium feldspar
General potassium feldspar
Orthoclase (endmember formula KAlSi3O8) is an important
tectosilicate mineral which forms igneous rock
It is the most abundant minerals about *0 % of the distribution
minerals in the earth crust in rocks from acidic to ultra basic
rocks , occur as pegmatite veins ,cutting through the basement
intrusive and volcanic rocks. the most important one is pegmatite
.
Feldspar minerals are sodium, potassium, and calcium
aluminosilicates. Their ores are commonly associated with quartz
and mica, kaolin, garnet, or iron minerals depending upon the type
of deposit . also there is wadi feldspar
The exploration by open cast way and the ore collected manually
.
Orthoclase is a common constituent of most granites and other
felsic igneous rocks and often forms huge crystals and masses in
pegmatite.
Typically, the pure potassium endmember of orthoclase forms a solid
solution with albite, the sodium endmember (NaAlSi3O8), of
plagioclase. While slowly cooling within the earth, sodium-rich
albite lamellae form by exsolution, enriching the remaining
orthoclase with potassium. The resulting intergrowth of the two
feldspars is called perthite. also there is wadi feldspar
General Sodium feldspar
It is one of the most abundant minerals in the earth crust
in rocks from acidic to ultra basic rocks , occur as pegmatite
veins ,cutting through the basement intrusive and volcanic rocks.
the most important one is pegmatite .
Feldspar minerals are sodium, potassium, and calcium
aluminosilicates. Their ores are commonly associated with quartz
and mica, kaolin, garnet, or iron minerals depending upon the type
of deposit .
The exploration by open cast way and the ore collected manually
.
