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Why is streak more reliable than color when identifying a mineral?
Wiki User
∙ 7y ago
The streak is the mineral in a powdered form from abrasion with the hard, slightly textured surface of an unglazed porcelain streak plate. The streak color may differ from the color observed in a specimen. Coloration of mineral specimens is sometimes due to impurities. In a powdered form, the impurities are not abundant enough to cause coloration in the streak, thus revealing the true color of the mineral. == ==
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoBecause the streak is the color of a mineral when it is powdered form
Wiki User
∙ 13y agoSome minerals have the same color but a different streak
Example: pyrite and Gold
Grade 7's Answer
Wiki User
∙ 11y agoBecause streak can more accurately represent the actual colour and hardness of said mineral.
Wiki User
∙ 11y agoThe streak is more useful because even though the color of the mineral can vary, the streak will always be the same.
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What is the most reliable clue in identifying a mineral?
hardness, luster, cleavage and fracture, color (not quite useful) and streak
What is the difference between color and streak in minerals?
Color is the observable color of a mineral specimen in natural light. Streak is the color of a mineral when powdered. The color of a specific mineral specimen may be different than its streak color. Because many impurities can alter the color of a mineral, but not the streak, streak is a more accurate predictor in mineral identification.
What is color of powdered minerals?
it can be white or gray but the word is STREAK
How do you know a mineral's streak?
The streak of a mineral can distinguish between two samples that have the same color. The streak is often a different color. To test streak, use a streak plate. This is a piece of unglazed porcelain, like the back side of a tile.
What is the difference between a minerals color and streak?
Color is what you observe when you look at a mineral. Streak is the color of the mineral when in a fine powder form. This can be observed by drawing a sample of the mineral over an unglazed porcelain tile and noting the color of the line left on the tile.
Color of powered mineral?
It's referred to as the streak, the color of which is used as an identifying characteristic of minerals.
Which mineral property is the least reliable for identifying a mineral?
the color is the least reliable source!
Why is mineral's streak more useful in identifying a mineral than its color?
Because color can vary based on the purity of the mineral.
How do you identify minerals according to streak?
Minerals can be identified by their streak, which is the color of the mineral when it is broken down into a powder. To test a mineral's streak, a streak plate (usually made of unglazed porcelain) is used. The streak is usually compared to a streak color chart, which contains the colors of a variety of minerals. To test a mineral for its streak, take a small piece of the mineral and rub it on the streak plate. The resulting powder is then compared to the streak chart to identify the mineral. Streak is an important property of minerals because it is more reliable than the external color of the mineral. External color can be altered by impurities and oxidation, but the streak of a mineral does not change. Therefore, testing a mineral's streak is an effective way of identifying it.When identifying minerals according to streak, it is important to consider the following properties: Color - the color of the powder when rubbed on the streak plate. Luster - the shine of the powder when rubbed on the streak plate. Texture - the feel of the powder when rubbed on the streak plate. Opacity - the transparency of the powder when rubbed on the streak plate.By considering these properties when testing a mineral's streak, it is possible to identify the mineral accurately and quickly.
What is more reliable than color as an indicator of a mineral's identity?
Streak, hardness, and crystalline structure.
What is another property in identifying a mineral?
The properties in identifying minerals are color,luster,hardness,cleavage and fracture,and streak.
What is the most reliable clue in identifying a mineral?
hardness, luster, cleavage and fracture, color (not quite useful) and streak
What is the color of powdered mineral?
This is the definition of the physical property called streak. The actual color varies depending on the mineral, which is why it is used as an identifying property.
Does the color of a minerals streak depend on the color of the mineral?
No. It can vary from the visible color of the mineral and, since visible color of them ineral is not a reliable indicator of type, it is important to learn to use streak, (along with other factors), to correctly identify a mineral.
Why is using a mineral's streak more reliable then using color to identify a mineral?
Some minerals can be the same color but have different streaks.
Why is the streak a more reliable property than color in mineral identification?
The streak, or color of a mineral's powder, represents the true color of a mineral without the effects observed in a hand specimen due to impurities, inclusions or differences in light reflection.
Why is a streak a more reliable property than a color in mineral identification?
The streak, or color of a mineral's powder, represents the true color of a mineral without the effects observed in a hand specimen due to impurities, inclusions or differences in light reflection.
