Examine the minerals and their corresponding chemical formulas (see chemical sym

Question

Examine the minerals and their corresponding chemical formulas (see chemical symbols below). Circle the key aspects of the chemical formula and determine which mineral group each mineral falls into (use the groups listed below). Groups of Minerals rightarrow Description Silicates (has silicon and oxygen) Non-Ferromagnesian Silicates (no iron, no magnesium) rightarrow Light color, not metallic Ferromagnesian Silicates (also has iron and magnesium) rightarrow Dark color, not metallic Carbonates (has carbon and oxygen: CO_3) rightarrow Often fizzes w/acid Other (no silicon, often a metal, salt or sulfate) rightarrow Sometimes metallic

Explanation / Answer

quartz : key elements: silicon and oxygen, mineral group: non fe-mg silicate

k felspar : key elements: silicon and oxygen, mineral group: non fe-mg silicate

calcite: key elements : carbon and oxygen, mineral group: carbonates

biotite :key elements: silicon and oxygen, fe and mg, mineral group: fe-mg silicate

pyrite: key elements: iron, mineral group: others

halite: mineral group : others

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