Science 9th Sem 1 — Sect 4 — Minerals

通報

問題一覧

what type of mineral classification best fits CaF₂?

Halide

what type of mineral classification best fits SiO₂?

Quartz

What type of mineral classification best fits CaCO₃ ?

Carbonate

What type of mineral classification best fits MgSiO₃?

Ferromagnesian

What type of mineral classification best fits CaSO₄?

Sulfate

What type of mineral classification best fits CaSi₄O₈?

Feldspar

What type of mineral classification best fits Ag?

Native element

What type of mineral classification best fits PbS?

Sulfide

What type of mineral classification best fits AI₂O₃?

Oxide

The words, uneven and splintery describe a mineral’s ______.

Fracture

The ratio of a mineral’s mass to its volume is the mineral’s ______.

Density

In mineral that is able to scratch steel, but unable to scratch, corundum (a very hard mineral), would most likely have a Mohs Hardness Scale rating of _____.

The tenancy of a mineral to break into smooth, flat surfaces is called ____.

Cleavage

The most common silicate minerals are the ____.

Feldspars

96% of the Earth’s crust is made up of _____.

Silicate minerals

When two single chains of tetrahedra bond to each other, the result is called a _____.

Double-chain silicate

The words, waxy, pearly, and doll describe a mineral’s ______.

Luster

Color is an unreliable identifier of a mineral because _____.

All of the above

A mineral that forms into perfect square shapes is considered to have a _____ crystal shape.

Isometric

Copper has a density of 9 g/cm³. A 15 cm³ chunk of copper would have a massive _____.

135 g

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