Question

Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations. Mass is shown on the triple beam. Scale Test Mineral Mineral H. Density, g/cc 10 diamond tellurium 2 2.07 9 corundum galena 2.5 7.58 8 topaz anglesite 2.5 - 3 6.4 7 quartz chalcocite 2.5 - 3 5.6 6 feldspar copper 2.5 - 3 9.0 5 apatite gold 2.5 - 3 19.3 4 fluorite silver 2.5 - 3 10.5 3 calcite arsenic 3.5 5.7 2 gypsum barite 3 - 3.5 4.4 1 talc 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 = 0.051 L
Mass: 981.0, 908, 908.1, 981 g
Density: 192.35, 19,235, 19, 19.2 g/cc
Hardness 4, 2.5, 1, 3, 5.5 - 5, 3, 2, 4.5, 1.5
Determine the unknown mineral.
Platinum, Gold

Answer 1

The unknown mineral is gold because of the similar properties of gold to that unknown mineral.

What is unknown mineral?

The unknown mineral is Gold because it has similar properties to the gold. Gold has density of 19.3 grams per cubic centimeter which is same to this unknown mineral. The hardness and mass of the mineral are also similar to the Gold.

So we can conclude that the unknown mineral is gold because of the similar properties of gold to that unknown mineral.

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