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What kind of mineral leaves a greenish-black streak and cannot be scratched by fluorite?
Pyrite
What color is the streak of a pyrite?
the color of crushed pyrite is a greenish brown. Compared to gold which is gold.
Which mineral is known as black gold?
Coal is known as 'Black Gold' due to its multiple uses.
What mineral produces a black streak when rubbed on a piece of unglazed porcelain?
The mineral that produces a black streak when rubbed on unglazed porcelain is hematite. Hematite is an iron oxide mineral that typically appears metallic gray or reddish-brown in color, but its streak, which is the color of the powder it leaves behind, is characteristically black. This property is often used to help identify minerals in hand specimens.
What are the pyrite characteristics?
Pyrite, often referred to as "fool's gold," is a metallic mineral composed of iron sulfide (FeS₂). It has a distinctive brass-yellow color and a shiny metallic luster, which can easily be mistaken for gold. Pyrite typically forms in cubic crystals and can exhibit a hardness of 6 to 6.5 on the Mohs scale. Additionally, it is non-ductile and can produce a greenish-black streak when scratched against a hard surface.
What kind of mineral leaves a greenish-black streak and cannot be scratched by fluorite?
Pyrite
What is a wyartite?
A wyartite is a uranium-bearing mineral, greenish-black to black to violet in colour, a member of the uranium carbonate group of minerals.
What mineral has a different color in its powder form than in its original form?
The mineral pyrite has a brassy yellow color in its original form but a black or greenish-black color in its powdered form due to oxidation.
Which mineral has a streak different from its external color?
Pyrite is a mineral that has a streak that is greenish black, even though its external color is brassy yellow. This difference in color is due to the oxidation of iron in pyrite.
What is a for letter word ending in c meaning a greenish mineral?
Talc
What is the color of a metallic streak?
The color of a metallic streak is typically a dark gray or black color. This is because the streak left behind by a metallic mineral is the color of the powdered form of the mineral, which is often dark due to the presence of metal atoms.
What is a four letter word ending in c meaning a greenish mineral?
talc
What mineral has a yellow color metallic luster hardness of six and greenish black streak?
Sulfur and gold are both yellow minerals. Topaz is a yellow gemstone, which I believe would also be considered a mineral. Pyrite, more commonly known as "fools' gold" is also yellow, and is technically an iron sulfide. Yup! SULFUR!
What is the streak of an iron pyrite?
Greenish black
What igneous rock is greenish black?
It is obsidian.
What is a wüstite?
A wüstite is a grey mineral form of iron(II) oxide with a greenish tint.
What color streak does the mineral nickel leave?
Nickel leaves a silver-gray streak. Note that nickel is an element.
