GEOLOGY
ECONOMIC GEOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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in gunpowder, medicines, and rubber
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as glass
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in pencils, paint, lubricants, and batteries
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as wiring, in coins and jewelry, building ornaments
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Detailed explanation-1: -Fused silica and quartz are two commonly employed materials in glass fabrication operations. Both substances offer unique properties that make them suitable for use in fabricated glass components.
Detailed explanation-2: -Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO2) in amorphous (non-crystalline) form.
Detailed explanation-3: -Today quartz is used in many products as a raw material for huge amounts of construction materials, such as glass, concrete, or mortar, and quartz is refined to yield silicon which is critical for computers and other high technology mainstay of modern life (Fig.
Detailed explanation-4: -Quartz is a defining constituent of granite and other felsic igneous rocks. It is very common in sedimentary rocks such as sandstone and shale. It is a common constituent of schist, gneiss, quartzite and other metamorphic rocks.