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Minerals in Geology

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Questions and Answers

What are the five conditions that a substance must satisfy in order to be a mineral?

Crystalline Solids, Natural and Organic, Variable Chemical Composition, Physical Properties, Regular arrangement of atoms and molecules

Amorphous Solids, Natural and Inorganic, Definite Chemical Composition, Physical Properties, Regular arrangement of atoms and molecules

Amorphous Solids, Synthetic and Organic, Variable Chemical Composition, Chemical Properties, Random arrangement of atoms and molecules

Crystalline Solids, Natural and Inorganic, Definite Chemical Composition, Physical Properties, Regular arrangement of atoms and molecules (correct)

What are the physical properties used to identify minerals?

Luster, Hardness, Color and Streak, Cleavage, Fracture, Magnetism (correct)

Transparency, Conductivity, Ductility, Malleability, Brittleness

Density, Viscosity, Elasticity, Surface Tension, Refractive Index

Acidity, Alkalinity, Solubility, Corrosiveness, Reactivity

Which mineral is known for its use in talcum powder and as a lubricant?

Calcite

Talc (correct)

Hematite

Galena

What type of mineral is known for its metallic luster and is a source of lead?

<p>Galena</p> Signup and view all the answers

Which type of mineral has a flaky texture and is commonly used in pencil lead and as a lubricant?

<p>Graphite</p> Signup and view all the answers

Minerals in Geology

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Questions and Answers

What are the five conditions that a substance must satisfy in order to be a mineral?

What are the physical properties used to identify minerals?

Which mineral is known for its use in talcum powder and as a lubricant?

What type of mineral is known for its metallic luster and is a source of lead?

Which type of mineral has a flaky texture and is commonly used in pencil lead and as a lubricant?

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