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Question:

Which of these minerals are silicates?

gypsum, magnetite, sphalerite, calcite, homblende, graphite, bauxite, galena,copper, muscovite, bornite, chalcopyrite, olivine, quartz, feldspar

Answer:

SALTS: Gypsum (hydrous calcium sulphate) OXIDES: Magnetite (Iron oxide) Bauxite (Aluminium oxide) SULPHIDES: Sphalerite (Zinc sulphide) Galena (Lead sulphide) Bornite (Copper sulphide) Chalcopyrite (Copper iron sulphide) CARBONATES: Calcite (Calcium carbonate) ELEMENTS: Graphite (Carbon) Copper SILICATES: Hornblende (Amphibole - a double chain silicate) Muscovite (Mica - a sheet silicate) Olivine (silicate tetrahedron) Quartz (silicon dioxide) Feldspar PS: Curiosity's answer went to press first, and with ideas it is getting to press first that earns the credit in life - so my vote goes to Curiosity for practical reasons. Also, I think concise answers like Curiosity's are more to the point.
SALTS: Gypsum (hydrous calcium sulphate) OXIDES: Magnetite (Iron oxide) Bauxite (Aluminium oxide) SULPHIDES: Sphalerite (Zinc sulphide) Galena (Lead sulphide) Bornite (Copper sulphide) Chalcopyrite (Copper iron sulphide) CARBONATES: Calcite (Calcium carbonate) ELEMENTS: Graphite (Carbon) Copper SILICATES: Hornblende (Amphibole - a double chain silicate) Muscovite (Mica - a sheet silicate) Olivine (silicate tetrahedron) Quartz (silicon dioxide) Feldspar PS: Curiosity's answer went to press first, and with ideas it is getting to press first that earns the credit in life - so my vote goes to Curiosity for practical reasons. Also, I think concise answers like Curiosity's are more to the point.
Feldspar Quartz Hornblende Olivine Muscovite EDIT: It is only fair to say that by the time I completed my answer, Ten-Eleven already had his answer completed. He deserves the best answer
Feldspar Quartz Hornblende Olivine Muscovite EDIT: It is only fair to say that by the time I completed my answer, Ten-Eleven already had his answer completed. He deserves the best answer

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