practical/rocks

Question 1

what does sulfur look like?

Answer 1

yellow in colour

Question 2

what does obsidian look like?

Answer 2

dark in colour, glassy, from volcanoes

Question 3

what does gypsum look like?

Answer 3

Usually white, colorless or gray in massive form, crystals are clear, transparent to translucent

Question 4

what does mica look like?

Answer 4

translucent to opaque with a distinct vitreous or pearly luster, and different mica minerals display colors ranging from green to black

Question 5

what are the common intermediate igneous rocks?

Answer 5

andesite, diorite

Question 6

what is pumice?

Answer 6

forms when large amounts of gas escape from molten rock to generate a gray, frothy mass; most samples of pumice float in water

Question 7

what are the common mafic igneous rocks?

Answer 7

basalt, gabbro

Question 8

what are the common felsic igneous rocks?

Answer 8

granite, rhyolite, obsidian, pumice

Question 9

what is diorite?

Answer 9

medium gray intrusive rock

Question 10

what is baslt?

Answer 10

fine grained extrusive rock

Question 11

what is andesite?

Answer 11

medium gray extrusive rock

Question 12

what is gabbro?

Answer 12

coarse grained intrusive rock