True, if they are not sulfates or sulfides of Silicone.
True
False, Geologists identified about 3,800 minerals.
False. Most minerals are compounds, which means that they are combinations of elements. Additionally, some minerals are elements by themselves.
False. Most minerals are compounds, meaning they are composed of two or more elements bonded together. This is what gives minerals their unique chemical and physical properties.
This is false.
False
False, all minerals DO NOT have the same melting point
A false statement about minerals is that all minerals are inorganic; while most are, some minerals can form from organic processes. Additionally, the claim that all minerals have a crystalline structure is misleading since some minerals can occur in amorphous forms. Lastly, it is incorrect to say that all minerals are hard; many minerals can be quite soft, such as talc.
False [dickies]
A is false - Rocks are composed of minerals not the other way round. B, C and D are all true.
False. A characteristic of rock is that the individual minerals lose their distinct properties when combined into a rock. The resulting rock has its own unique physical and chemical properties distinct from those of its constituent minerals.
Valuable rare minerals are not known as titanium and aren't used in jewelry. This question is false.