Question

Black and splintery , 2 cleavage , barely scratches glass is what kind of mineral

Answer 1

Potassium Feldsper

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Answer 2

Answer:

The kind of mineral is hornblende.

Explanation:

Hornblende - Hornblende is a complex inosilicate series of minerals. It is not a recognized mineral in its own right, but the name is used as a general or field term, to refer to a dark amphibole.

Properties of mineral:

• It is Non-metallic,

• It is black in color and splintery in texture.

• It is usually Harder than glass, so it barely scratches glass.

• Usually black or dark green.

• It have 2 cleavages at 60°/120° (56°/124°).