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Which mineral Which mineral property is the least reliable for identifying a mineralproperty is the least reliable for identifying a mineral?
Color is often the least reliable property for identifying a mineral because many minerals can occur in various colors or shades due to impurities. Other properties such as hardness, cleavage, and specific gravity are more useful for mineral identification.
What is the difference between talc and talcum powder?
Talc is a naturally occurring mineral composed of magnesium, silicon, and oxygen. Talcum powder is made from talc that has been mined and then processed to remove impurities. Talcum powder is often used in cosmetic and personal care products.
Is ammonia colourless and odourless?
Ammonia is a colourless alkaline gas with a pungent odor and acid taste
A mineral specimen has very large crystals what is the best explanation for how this happend?
Large crystals in a mineral specimen typically form when the mineral has enough time and space to grow without being obstructed by nearby crystals. This often occurs in environments with slow cooling rates or low levels of impurities, allowing the crystals to grow to a considerable size.
What is slag in mining?
Slag in mining refers to the waste or byproduct that is produced during the extraction or processing of metal ores. It typically consists of a mixture of impurities, such as gangue minerals and unwanted components, that are separated from the desired metal or mineral. Slag is often deposited in tailings ponds or waste piles.
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 mineral Which mineral property is the least reliable for identifying a mineralproperty is the least reliable for identifying a mineral?
Color is often the least reliable property for identifying a mineral because many minerals can occur in various colors or shades due to impurities. Other properties such as hardness, cleavage, and specific gravity are more useful for mineral identification.
Why is color not a reliable why to identify a mineral?
Several minerals may be the same color. Additionally, impurities can make it so that one mineral can come in a variety of colors.
What is the difference between talc and talcum powder?
Talc is a naturally occurring mineral composed of magnesium, silicon, and oxygen. Talcum powder is made from talc that has been mined and then processed to remove impurities. Talcum powder is often used in cosmetic and personal care products.
What are the colors of Pyrite?
Pyrite typically appears as a brassy yellow color, often with a metallic sheen. It may also have hints of gold, silver, and grey tones, depending on impurities present in the mineral.
Does a mineral streak always match it?
It often does not match the observable color of the specimen. Differences between streak and observable color can be due to inclusions, staining, refraction, impurities, or exposure to heat and radiation.
What is coloring in a mineral that is light called?
Coloring in a mineral that is light is often referred to as "light-colored" or "pale." This can include hues such as white, cream, yellow, or light shades of other colors. The light coloration is typically due to the mineral's composition and the presence of various trace elements or impurities. Examples include quartz, feldspar, and certain types of calcite.
Why streak often is more useful for mineral identifion than color?
Streak is more useful for mineral identification than color because streak shows the true color of the mineral in powdered form, which may differ from its color in its solid form. This can provide more accurate information about the mineral composition. Streak is also less affected by impurities or surface coatings that can alter the color of the mineral.
Is ammonia colourless and odourless?
Ammonia is a colourless alkaline gas with a pungent odor and acid taste
A mineral specimen has very large crystals what is the best explanation for how this happend?
Large crystals in a mineral specimen typically form when the mineral has enough time and space to grow without being obstructed by nearby crystals. This often occurs in environments with slow cooling rates or low levels of impurities, allowing the crystals to grow to a considerable size.
Does mica have fluoresence?
Yes, some types of mica can exhibit fluorescence under ultraviolet light. The fluorescence is often caused by impurities or trace elements in the mica mineral structure, resulting in different colors such as white, yellow, or green fluorescence.
What hard mineral is often used to make sandpaper?
garnets The abrasive grain, the key part of coated abrasive products, may be either a natural or synthetic mineral. Due to their extreme hardness, natural minerals such as http://www.answers.com/topic/garnet, quartz or http://www.answers.com/topic/emery (corundum with iron impurities) have uses in sandpaper and grinding tools.
