True, if they are not sulfates or sulfides of Silicone.
True
False, Geologists identified about 3,800 minerals.
False, all minerals DO NOT have the same melting point
False. Most minerals are compounds, which means that they are combinations of elements. Additionally, some minerals are elements by themselves.
false
False
This is false.
false
false
A is false - Rocks are composed of minerals not the other way round. B, C and D are all true.
False [dickies]
Valuable rare minerals are not known as titanium and aren't used in jewelry. This question is false.