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Talc and Gypsym
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What two minerals are harder than calcite but softer than quartz?
Fluorite and apatite are two minerals that are harder than calcite but softer than quartz on the Mohs scale of mineral hardness. They have hardness values of 4 (fluorite) and 5 (apatite) respectively, compared to 3 for calcite and 7 for quartz.
Which two minerals are softer than a human fingernail?
Talc and gypsum are two minerals that are softer than a human fingernail, which has a hardness of about 2.5 on the Mohs scale. Talc has a hardness of 1, while gypsum has a hardness of 2.
A human fingernail has a hardness of approximately 2.5 Which two minerals are softer than a human fingernail?
Talc and gypsum are two minerals that are softer than a human fingernail. Talc has a hardness of 1 on the Mohs scale, while gypsum has a hardness of 2.
Which object can scratch apatite but not feldspar?
Diamond can scratch apatite but not feldspar. This is due to the difference in hardness between the two minerals, with diamond being the hardest natural substance on the Mohs scale at 10, while apatite is around 5 and feldspar is around 6-6.5.
What are the different types of nanobacteria?
There are two main types of nanobacteria: carbonate apatite nanobacteria, which produce carbonate apatite minerals, and human-derived nanobacteria, which are derived from human tissues and fluids. These nanobacteria are extremely small and have been studied for their potential role in biomineralization processes and disease.
What are the two minerals that form rock?
There are far more than two minerals that form rocks. You have to consider that there are about 3800 known minerals found on Earth. However, two minerals that are extremely abundant in continental and oceanic rock are feldspar and quartz.
What kind of adjective is softer?
"Softer" is a comparative adjective, comparing the degree of softness between two things.
Factors that affect rates of weathering (rock type)?
Two key factors affect the rates of weathering rock type and climate. Rock type: Minerals that dissolve easily weather faster, softer materials break apart more easily, porous minerals weather more easily.
Which is soft among gold and sodium?
Sodium is the softer among the two. It is soft enough to be cut by a knife. However, Gold is the one which is more malleable and ductile.
What are two major groups of minerals?
what are the two major groups of minerals
What is two or more minerals called?
minerals
Are the two features of the two major groups of minerals?
nonsilicate and silicate minerals
