Diamond and quartz are both minerals composed of a single element.

diamonds

Which mineral is composed of silicon dioxide?

quartz

Which of the following minerals is a silicate?

The vast majority of the minerals that make up the rocks of Earth’s crust are silicate minerals. These include minerals such as quartz, feldspar, mica, amphibole, pyroxene, olivine, and a great variety of clay minerals.

Which of the following minerals is in the mineral group known as Mica?

Mica, any of a group of hydrous potassium, aluminum silicate minerals. It is a type of phyllosilicate, exhibiting a two-dimensional sheet or layer structure. Among the principal rock-forming minerals, micas are found in all three major rock varieties—igneous, sedimentary, and metamorphic.

Why do minerals rarely exhibit pure chemical compositions?

Based on the brief discussion of chemistry and chemical bonding in chapter 3, why do minerals rarely exhibit pure chemical compositions (100% always the same chemical composition)? Certain elements can substitute for others of similar size without changing the minerals’ internal structure.

Is SiO2 ceramic?

Commonly used ceramic materials for coatings include SiC (silicon carbide), SiO2 (silicon dioxide) and Si3N4 (silicon nitride).

Is silica the same as sand?

Silicon dioxide is a chemical compound that is also known as silica. Silica sand is a type of sand that mostly consists of tiny granules of quartz. Silica sand also consists of other fine particles of rock and mineral.

Are rocks aggregates of one or minerals?

A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks include granite, basalt, limestone, and sandstone.

Which of the following common minerals is softest?

Talc

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What is the most common carbonate mineral?

calcite

What mineral is the hardest known substance in nature?

Geology100

Question Answer
What mineral is the hardest known substance in nature? diamond
Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? calcite
Which common mineral is composed entirely of silicon and oxygen? quartz

Which is not true for minerals?

Solid: Liquids and gases are not considered minerals, in large part because their structure is constantly changing, which means they do not have a characteristic crystal structure. A true mineral must be solid.

What two elements do all silicate minerals contain?

+ Groups of Minerals This makes silicates the largest mineral group. Silicate minerals make up over 90 percent of Earth’s crust! Silicates contain silicon atoms and oxygen atoms. One silicon atom is bonded to four oxygen atoms.

What factors make it difficult to determine the chemical composition of minerals?

Individual minerals are much smaller than rocks and it is therefore difficult to obtain enough sample of a mineral to perform the chemical analysis. In cases where a single mineral is too small to provide enough sample, several grains of the same mineral can be separated from a rock and analyzed as a single sample.

Why is coal not a mineral?

Answer and Explanation: Coal is not classified as a mineral because it comes from organic materials. Coal is formed from the remains of dead plants and animals that arediamonds

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