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What factors can change the color of a mineral?
Air, water, and impurities can change the color of a mineral.
What color is mica the mineral's streak?
Even though it's a blackish/brown mineral, it leaves a WHITE streak.
What color is the mineral quartzite?
Quartzite can appear in many colors.
What are sapphires made from?
Sapphires are composed of the mineral corundum and impurities that gave it its color.
Is it true that a streak is the texture of a thin layer of the powdered mineral?
No. Streak refers to the color of a powdered mineral. The texture is in reference to a rock's crystal size or orientation.
How reliable is color when determining what a mineral is?
Color is the least reliable of a mineral's characteristics used in its identification.
Which is not a major factor that influences the strength of a rock?
The color of the rock is not a major factor that influences the strength of a rock. Factors such as mineral composition, grain size, texture, and porosity play a more significant role in determining a rock's strength.
What factor can change a color of minerals?
Air, water, and impurities can change the color of a mineral.
Which factor is not important in determining an organism's chances of survival?
One factor that is not important in determining an organism's chances of survival is the color of its eyes. Eye color does not impact an organism's ability to survive in its environment or adapt to changes.
Air and water can change the color of a mineral. What other factor can change it's color?
impurities can
What other factor beside air and water can change the color of mineral?
fire?
Rubbing a mineral sample across unglazed ceramic is the usual way of determining?
the streak color of a mineral. The powdered residue left behind on the ceramic tile can provide valuable information about the mineral's color, allowing for easy identification.
What is scratching a mineral against a glass plate and rubbing a mineral on a streak plate helpful procedure for determining in a mineral?
Scratching a mineral against a glass plate helps determine the mineral's hardness based on the scratches produced. Rubbing a mineral on a streak plate helps identify the color of the mineral's streak, which can be different from its outer color due to impurities or weathering. These procedures are commonly used in mineral identification.
What can you eat to have a baby with color eyes?
Diet is not a factor in determining the colour of a baby's eyes. It depends on the genetics of the parents.
Why is the color of a mineral not a reliable?
The color of a mineral is not a reliable identification factor because it can vary due to impurities or environmental factors. Different minerals can have the same color, making it difficult to distinguish them based on color alone. It is more reliable to rely on other properties like hardness, luster, cleavage, and specific gravity for mineral identification.
Are rocks classified according to their composition and color?
Rocks are classified based on their composition, which includes their mineral content and texture. Color can sometimes provide clues about the minerals present in a rock, but it is not the sole factor used for classification. Other properties such as hardness, visible crystals, and how the rock formed are also important in determining its classification.
What is the difference between a scratch test and a streak test?
a streak test is a test wheree you rub a mineral across a streak plate to see the color of its streak, which is a better indentifying factor of the mineral than the external color. A scratch test is when you scratch a mineral to find out its hardness on the Mohs Scale of Hardness. This is also another useful identifying factor
