Chemistry

Chemistry, 30.07.2019 20:30, reinajoy

The most common mineral in earth's outer layer is a. mica b. pyrite c. calcite d. feldspar

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English, 25.06.2019 01:00, live4dramaoy0yf9

1. which mineral is common and makes up about 4% of earth’s crust? gold calcite jadeite 2. why must humans find substitutes for many minerals found on earth? form at an extremely slow rate controlled by other countries too deep in the earth to collect 3. which of these is the rarest mineral? copper feldspar painite

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Chemistry, 12.07.2019 02:50, tylermdons

Scale test mineral 10 diamond 9 corundum 8 topaz 7 quartz 6 feldspar 5 apatite 4 fluorite 3 calcite 2 gypsum 1 talc mineral h. density, g/cc tellurium 2 2.07 galena 2.5 7.58 anglesite 2.5 - 3 6.4 chalcocite 2.5 - 3 5.6 copper 2.5 - 3 9.0 gold 2.5 - 3 19.3 silver 2.5 - 3 10.5 arsenic 3.5 5.7 barite 3 - 3.5 4.4 dolomite 3.5 - 4 2.9 platinum 4.5 21.5 willemite 5.5 4.0 magnetite 6 5.18 pyrite 6 - 6.5 5.02 pyrolusite 6 - 6.5 5.0 cassiterite 6.5 6.9 diamond 10 3.52 volume of water displaced = 0.175 l mass: g density. g/cm³ hardness: = - determine the unknown mineral. unknown mineral:

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Chemistry, 04.08.2019 23:30, josephvcarter

According to moh's hardness scale, your fingernail would be rated as 2.5. juan and carol are trying to identify an unknown mineral. carol can scratch the mineral sample with her fingernail. juan and carol know the mineral must be one of these four choices. based on the scratch test, the mineral is a) apatite. b) calcite. c) gypsum. d) pyrite. ' heres a pic if u need it mohs scale of mineral hardness hardness mineral absolute hardness 1 talc 1 2 gypsum 2 3 calcite 9 4 fluorite 21 5 apatite 48 7 quartz 100 8 topaz 200 plz! i couldnt get the table things but that was part of it though!

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