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The Study of Minerals Online Exam Quiz

Important questions about The Study of Minerals. The Study of Minerals MCQ questions with answers. The Study of Minerals exam questions and answers for students and interviews.

Which of the following is not true about a mineral?

Options

A : a. Naturally occurring

B : b. Inorganic substance

C : c. Organic substance

D : d. Definite chemical composition

Mineralogy deals with?

Options

A : a. Individual properties of minerals

B : b. Formation of minerals

C : c. More of occurrence

D : d. Properties, formation and occurrence

A colour is produced due to ___________

Options

A : a. Reflection

B : b. Refraction

C : c. Absorption

D : d. Reflection and absorption

Colour of a mineral depends upon its?

Options

A : a. Atomic structure

B : b. Outer surface

C : c. Composition

D : d. Atomic structure and composition

Metallic minerals belong to which category with respect to colour?

Options

A : a. Idiochromatic

B : b. Pseudochromatic

C : c. Allochromatic

D : d. Iridescence

The type of mineral showing variable colour is?

Options

A : a. Idiochromatic

B : b. Allochromatic

C : c. Iridescence

D : d. Pseudochromatic

The type of mineral which shows a set of colours in succession is?

Options

A : a. Idiochromatic

B : b. Pseudochromatic

C : c. Allochromatic

D : d. Iridescence

Allochromatic minerals may show more than two colours.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

Pseudochromatism occurs due to ___________

Options

A : a. Reflection

B : b. Transmittance

C : c. Refraction

D : d. Simultaneous reflection and refraction

The phenomenon due to which a mineral shows rainbow colours is?

Options

A : a. Idiochromatism

B : b. Allochromatism

C : c. Iridescence

D : d. Pseudochromatism

Play of colours is not desirable.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

Colour changing phenomenon which involves oxidation is ____________

Options

A : a. Tarnish

B : b. Iridescence

C : c. Allochromatic

D : d. Idiochromatic

Lustre doesn’t depend on?

Options

A : a. Refractive index mineral

B : b. Absorption of mineral

C : c. Transmittance of mineral

D : d. Nature of reflecting surface

Lustre is dependent on colour.

Options

A : a. True

B : b. False

C : c. May be True or False

D : d. Can't say

High density, high refractive index is characteristic of ___________

Options

A : a. Non-metallic minerals

B : b. Metallic minerals

C : c. Semi-metallic minerals

D : d. Metalloid minerals

Type of shine or lustre associated with lustre of diamond is ___________

Options

A : a. Adamantine

B : b. Metallic

C : c. Pearly

D : d. Vitreous

Streak is an important diagnostic property of ___________

Options

A : a. Non-coloured minerals

B : b. Coloured minerals

C : c. Metallic minerals

D : d. Non-metallic minerals

Which mineral gives streak?

Options

A : a. Coloured and translucent

B : b. Colourless and opaque

C : c. Coloured and opaque

D : d. Coloured and transparent

The mineral which is almost black but gives brown streak is?

Options

A : a. Magnetite

B : b. Garnet

C : c. Hornblende

D : d. Chromite

Hardness of a mineral depends upon ___________

Options

A : a. Chemical composition

B : b. Atomic constitution

C : c. Chemical composition and atomic constitution

D : d. Physical makeup

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