Exam 12: Plate Tectonics: the Framework for Modern Geology

Aluminum ions have what charge in most rock- forming minerals?

Hornblende and the other amphiboles have what type of silicate structure?

Emeralds and aquamarines are gem quality single crystals of the more ordinary mineral________ .

Which mineral is easily soluble in water at room temperature conditions?

These non- silicate minerals are found predominantly in sedimentary rocks.

Which group of silicates has the most sharing of corner oxygen atoms?

Which minerals that make up the Mohs scale are softer than your fingernail?

The true colour of a mineral as seen in its powdered form is called it's____ .

An atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?

_______is the external expression of orderly internal arrangement of atoms in a mineral crystal.

Which of the following is not a rock- forming silicate mineral?

Which mineral is composed of silicon dioxide (SiO2)?

Chrysotile, crocidolite, and amosite are different mineralogic forms of what industrial commodity?

Atoms of the same element, carbon for example, always have the same _________.

Ferromagnesian minerals generally exhibit which of the following properties?

In feldspars, what element can be thought of as substituting for silicon in the tetrahedral ionic sites?

Which of the following denotes the massive, positively charged, nuclear particles?

Which of the following silicate minerals have 3- dimensional framework structures?

Which group of minerals are the most abundant in the Earth's crust?

The principal ore of mercury is__________ .