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What is the Color of a mineral when crushed to a powder?
Different minerals have different colors, actually.
What is the powder of a mineral called?
Streak
What is a piece of unglazed porcelain to test a mineral's streak called?
A streak plate
If a mineral doesn't make a streak is it not a mineral?
Minerals with a hardness greater than around 7 on the Mohs hardness scale will not leave a streak on a standard unglazed porcelain streak plate. They will instead scratch and powder the streak plate.
Can you show me a picture of a streak plate that has a streak from aquamarine on it?
I do not have a picture, but when you scratch aquamarine on a streak plate, the powder will be white colored.
Why are streak plates used to test minerails?
Scratching a mineral across a streak plate will result in a streak which represents the true color of a mineral without impurities or inclusions that can influence a particular specimen's color. The mineral quartz can appear in a wide variety of colors, but the streak of any colored quartz specimen will still be white. The 'streak' color is one characteristic of a mineral which will aid in its identification.
Which mineral is an ore of iron and has a characteristic of reddish brown streak?
The mineral is hematite.
Which rock characteristic below is is the color of powdered mineral?
the answer is STREAK
Which mineral characteristic is NOT determined by the way the atoms within a mineral are arranged?
color, streak and age
Color of powered mineral?
It's referred to as the streak, the color of which is used as an identifying characteristic of minerals.
What is the name of the colored powder a mineral leaves when rubbed on a hard surface?
streak
What refers to the colored powder resulting from rubbing a mineral against a harder surface?
streak
What does streak mean in science term?
In mineralogy, streak is the powder from a mineral when you rub it against a light colored hard surface. Streak is used to identify some minerals.
What is the mineral that leaves a grey streak and is metallic?
Hematite can appear gray in color, but will exhibit a reddish to rust-colored streak.
What test is best used to distinguish a nonmetallic mineral from a metallic mineral?
Streak Test, because nonmetallic minerals typically streak colorless/white, and metallic minerals typically streaks dark/characteristic color.
How can porcelain tile be used to idintify a mineral?
Mineral samples can be scraped across the bottom (i.e., the unglazed side) of a tile to create a colour streak which is characteristic of the mineral. Note that it takes more than a colour streak to identify a mineral. Many minerals have the same colour streak. Other characteristics such as the hardness and density will also need to be determined in order to positively identify a mineral.
How do you determine a mineral’s streak?
The color of a mineral in powdered form is called the mineral's Streak
