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Malachite is green and forms with azurite which is a dark blue or peridot is green and forms on blackish gray rocks
Is there any crystal structure or is it just a rock with no crystals on it?
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∙ 12y ago
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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 can you rub a mineral on to leave a clue what the mineral?
A streak plate, or unglazed white porcelain tile, is used to perform streak tests which can help to identify minerals. Rubbing the mineral on the streak plate will finely powder it and reveal the color of the powder, which in some cases is quite different from the color of the mineral. Eg: hematite is black but has a red streak - a good way to tell you have hematite instead of one of the many other shiny black minerals.
What is the streak of pyrite?
The streak should be olive greenish. My class did a streak test and found that out with pyrite. You want to do it? Get pyrite, a tile, and rub it across the tile. You should find out. But according to our results, pyrite had the olive green streak.
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 is a for letter word ending in c meaning a greenish mineral?
Talc
What is a four letter word ending in c meaning a greenish mineral?
talc
What is a wüstite?
A wüstite is a grey mineral form of iron(II) oxide with a greenish tint.
What is the streak of an iron pyrite?
Greenish black
What igneous rock is greenish black?
It is obsidian.
What is the mineral fluorite composed of?
The mineral fluorite is composed of calcium fluoride. The mineral is very colorful and often a greenish color. It had been discovered as far back as the 16th century.
What is a batrachite?
A batrachite is a pale greenish-grey variety of montmorillonite - a soft, claylike silicate mineral.
What is the color of the streak of malachite?
It is most likely going to have a greenish streak. It may also have a greenish black streak.
What color is the Black Sea?
I thought it was a greenish tint.
What is the color of ferrous sulphide?
greenish black coloration
