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What is the most unreliable characteristic of a mineral?
Color is often considered the most unreliable characteristic of a mineral because it can vary widely even within the same mineral species. Factors such as impurities, alteration, and external conditions can all influence the color of a mineral, leading to inconsistencies in color as a reliable identification feature.
Which of the following characteristics is least useful in identifying a mineral?
habit, color, streak, luster, density, hardness, cleavage, fracture, tenacity
What is the main mineral marble is made up of?
Marble is primarily composed of the mineral calcite, which is a form of calcium carbonate. Other minerals found in marble can include dolomite, serpentine, and various other impurities that give marble its characteristic color and veining.
What characteristic is used to determine the color of a mineral's powder?
The characteristic used to determine the color of a mineral's powder is known as its "streak color." This is achieved by scratching the mineral against an unglazed porcelain plate to observe the color of the powdered residue left behind. Streak color can sometimes differ from the visible color of the mineral.
What is a physical characteristic determined by the arrangement of the atoms within the mineral?
Cleavage is a physical characteristic determined by the arrangement of atoms within a mineral. Cleavage describes how a mineral breaks along planes of weakness due to its atomic structure, creating smooth, flat surfaces. The number and orientation of these planes are unique to each mineral.
Which of the followimg is not a main characteristic of a mineral?
Man-made
What is a characteristic property of the mineral pyrite?
The characteristic property of the mineral pyrite is sand it is very shiny
What characteristic of a mineral?
rough, sharp
What is the characteristic of a mineral that is revealed by testing what substances can scratch it and what the mineral can scratch?
it is hardness
Which mineral is an ore of iron and has a characteristic of reddish brown streak?
The mineral is hematite.
What is an accessory mineral?
An accessory mineral is a mineral present in small amounts in a rock, but not considered to be characteristic of the rock.
A sometimes misleading characteristic when identifying a mineral?
color
Which is not an essential characteristic of any mineral?
It's wind.
Which is characteristic of a mineral?
It must be naturally occurring and crystalline.
Which is not a characteristic common to all mineral?
metallic luster
Which of the followings is not a characteristic of a mineral?
man-made {apex}
What is the most unreliable characteristic of a mineral?
Color is often considered the most unreliable characteristic of a mineral because it can vary widely even within the same mineral species. Factors such as impurities, alteration, and external conditions can all influence the color of a mineral, leading to inconsistencies in color as a reliable identification feature.
