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Obsidian is black mainly because the internal minerals are composed of cryptocrystalline and vitreous, and the phenocryst is composed of white plagioclase. However, obsidian only appears black in natural light, it is actually a yellowish-brown inky gemstone under light transmission, and obsidian is not only black, but also visible in brown, gray and a small amount of red, blue and even green. Obsidian may be entirely monochromatic, or striped, or speckled, and some crystals may produce a "snowflake" effect or be seen as a shimmering iridescence. Obsidian is actually a black gemstone that appears black in natural light, but generally takes on a yellowish-brown inky color when exposed to light.
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HealingbyHan
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∙ 12y agoAlthough obsidian is a glass, and therefore translucent or transparent to some degree, the compounds of iron and magnesium will give it a characteristic dark green, brown, or black color.
Wiki User
∙ 11y agoThe Iron and magnesium in the Obsidian is what gives it its black color.
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What color is obsidan?
Obsidian is a type of black glass.
What rock is black and glassy and rapidly cooling lava?
obsidian
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 color is obsidian streak?
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
What rock is orange in color that has small flat streaks of obsidian?
It is rare but obsidian can be blue, green, red, orange or yellow. I have an orange one with yellow swirls. Geology.com confirms my assertion.
What is the color of a obsidian rock?
black
What color is an obsidian rock?
obsidian rocks are red and black also sometimes orange
What color is obsidan?
Obsidian is a type of black glass.
What is in obsidian black metallic paint color?
burritos
What color is a obsidian rock?
BLACK dumb nut
What color is obsidian?
Obsidian is volcanic glass and is found in several colours including - black, grey, dark green, red, yellow and pink. mostly black It is also very sharp; it can be used to make knives
What is the name of the dense volcanic glass that is typically black in color?
The name of the dense volcanic glass that is typically black in color is obsidian.
What mineral can be easily identified by it's color?
Obsidian because it's the only mineral that is the blackest of well......black! Anyway it's black I mean Obsidian (\_/) (o.o) (___)o
What do an obsidian rock look like?
Obsidian is a beautiful rock. It's description is pretty simple, it is a rock that formed out of cooled lava, and is black in color.
What colour is OBSIDIAN?
it's usually dark, a dark green/brown/black....it is not an exact color.
List of Shades of the color Black?
Black is a shade, but here are some dark colours close to it: Onyx Jet Sable Obsidian .
What is the name for black glass?
The name for black glass is obsidian. It is a naturally occurring volcanic glass formed from lava that cools rapidly. Obsidian is typically black in color, but may also have hints of other colors like brown, gray, or green.
