17 Questions
What is the crystal structure of silicate minerals like quartz?
Hexagonal continuous framework of SiO4 tetrahedra
How many other SiO4 tetrahedra is each individual SiO4 tetrahedron bonded to in the 3D structure?
4 other SiO4 tetrahedra
What type of luster does quartz, when pure, typically exhibit?
Vitreous luster
What is the streak of a mineral?
The color of the powder produced when the mineral is rubbed on a piece of unglazed porcelain
Which type of luster is described as 'having the look of a polished metal'?
Metallic luster
What type of luster is described as 'having the look of fine, parallel fibers such as satin'?
Silky luster
What is the common characteristic of the oxide minerals mentioned in the text?
They are generally classified into simple oxides and multiple oxides.
Which of the following is an example of a simple oxide mineral mentioned in the text?
Hematite
Which of the following is not a type of silicate mineral mentioned in the text?
Corundum
What is the common characteristic of the sulfide minerals mentioned in the text?
They have a metallic sheen.
Which of the following is an example of a carbonate mineral mentioned in the text?
Calcite
What type of silicate structure is formed when two single chains share oxygen atoms?
Double chain silicates
In a framework silicate structure, how many oxygen atoms does each SiO4 tetrahedron share with adjacent tetrahedrons?
4 oxygen atoms
Which silicate structure is formed when each SiO4 tetrahedron shares three oxygen atoms with adjacent tetrahedrons?
Sheet silicates
What is the net charge of the SiO4 tetrahedron in a silicate mineral?
-4
Which type of silicate structure is the mineral olivine an example of?
Single chain silicates
Which type of mineral is held together by the attraction between SiO4 tetrahedrons and other positive ions?
Silicates
Test your knowledge on different types of minerals including silicate minerals and oxide minerals. Learn about common minerals such as quartz, feldspar, and hematite, as well as rare species like Franklinite and Tantalite-(Fe).
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