Properties and process of formation of some minerals

Question 1

Type of Quartz

Answer 1

MACROCRYSTALLINE AND CRYPTOCRYSTALLINE

Question 2

It means a rock that does not contain a core

Answer 2

FELDSPAT

Question 3

It means uncertain origin

Answer 3

QUARZ

Question 4

name of a large group of rock-forming silicate minerals that make up over 50% of Earth’s crust.

Answer 4

FELDSPAR

Question 5

Feldspar can be divided into two groups:

Answer 5

ALKALI FELDSPAR, PLAGIOCLASE FELDSPAR

Question 6

A common mineral belonging to the pyroxene group and is named by Abraham Gottlob Werner

Answer 6

AUGITE

Question 7

A complex inosilicate mineral belonging to the amphibole group

Answer 7

HORNBLENDE

Question 8

Originated by reaction of chlorite, muscovite and ilmenite, producing rutile, K-feldspar and quartz as subordinate reaction products

Answer 8

BIOTITE

Question 9

it typically forms as a result of hydrothermal alteration, which occurs when hot fluids circulate through the rock and alter the mineral composition

Answer 9

MUSCOVITE

Question 10

a rock-forming mineral with a chemical formula of CaCO3

Answer 10

CALCITE

Question 11

group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives.

Answer 11

GARNET