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Obsidian is usually jet black. However it can also be green, brown, red, blue, yellow or orange due to light inclusions or trace elements. It is an igneous rock that results from lava cooling, streaks can be of any colour depending on the point of origin
Wiki User
∙ 7y ago
Wiki User
∙ 11y agoits streak is white.
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What color is obsidan?
Obsidian is a type of black glass.
How is a minterals streak determinded?
Streak color is determined by scraping the mineral across a a streak plate, (which is made of unglazed porcelain), and then observing the color of the streak, which is left on the plate. Note that some minerals do not leave a streak, as they are too hard. Thus, it is important to learn other identification methods, to use in conjunction with streak color, in order to identify minerals.
What color is the streak of Olivine?
white
What is the streak color of the mineral silver?
silver or white
How much is the rock obsidian in money?
? Wholesale $.50 A Lb. ? Retail $1.00 - $12.00 a Lb. Obsidian is glass, and the value depends on the color it is and the type it is
What is obsidian's streak?
its streak is white.
If you were to get a plate then scratch it with an obsidian what color is the streak that is left?
Probably white because of the high silicon dioxide content.
What is obisidian's streak?
Obsidian, although not a true mineral, should exhibit a white streak.
What is the streak of obsidian rock?
streak is a property of a mineral not of a rock... obisidian is a glassyrock formed when magma is get in contact with water.
What is the color of a minerals powder called?
there is no name for the color, but there is the "streak" of a mineral, meaning the color of its streak.
What is bauxite streak?
A streak that has color or no color.
The color of a minerals powder is its what?
The color of a mineral in powdered form is called the streak color.
What color is the streak of dolomite?
the color of the streak for dolomite is white
What is the streak color of chalcopyrite?
the streak color is Dark Green
What is the the streak color of calcite?
The streak color of calcite is white.
What is the color of the streak of calcite?
The streak color of calcite is white.
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.
