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MY MINERALS A rock is a non-living pure substance MY ROCKS Quartz- Fact-Quartz is the second-most-abundant mineral in the Earth's continental crust. Use for-Quartz is the source of many silicon compounds such as silicones

Pyrite-Fact-The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS2 Use for-Pyrite enjoyed brief popularity in the 16th and 17th centuries as a source of ignition in early firearms.



Jasper- Fact-Jasper is one of the birth stones listed for the Sun Sign of Virgo. Use for-Green jasper was used to make bow drills in Mergers between 4th-5th millennium BC

Calcite- Facts- though actual calcite rhombohedra are rare as natural crystals. However, they show a remarkable variety of habits including acute to obtuse rhombohedra, tabular forms, prisms, or Use for High-grade optical calcite was used in World War II for gun sights, specifically in bomb sights and anti-aircraft weaponry.

Rock Familys There are three rock familys 1ST -Igneous Fire Rocks 2ND-Sedimentary-Water Rocks 3RD-Metamorphic-Changed Rocks

Ignnesous rock forms from melted rock (lava or magma) when it cools. Lava- Malted rock that is found outside ("on") the Earth`s crust Magma-Melted rock that is found inside the Earth`s crust When lava and magma cool, they form two different kinds of rock Extrusive rock-igneous rock that is formed from cooled lava (e.g. pumice) Extrusive rock from lava cool quickly and forms small cystal instuview rocks cools very slowly inside the Earth`s crust and forms large cystals