Mineral Name? Mineral group? Luster: nonmetallic Hardness: 4 Streak: white Cleav

Question

Mineral Name? Mineral group? Luster: nonmetallic Hardness: 4 Streak: white Cleavage: four directions Mineral Name? Mineral group? Luster: nonmetallic Hardness: 3 Streak: red Cleavage: not prominent Ore of iron Mineral Name? Mineral group? Luster: metallic Hardness: 2.5 Specific gravity: 7.6 Cleavage: cubic Ore of lead Mineral Name? Mineral group? Luster: nonmetallic Hardness: 6 Specific gravity: 2.6 Cleavage: two directions at nearly right angles A common mineral in granite Mineral Name? Mineral group? Luster: nonmetallic Hardness: 5-6 Specific gravity: 3.2 Cleavage: two directions at 60 degrees and 120 degrees Common in certain igneous rocks like andesite

Explanation / Answer

Question 1. mineral name is flourite,it belongs to halide mineral group.

Flourite has 4 hardness in mohr's scale.

Flourite:Caf2

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