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What is a unknown cation
Minerals are tested for hardness by performing a scratch test. The unknown mineral is scratched with another object that the hardness is known. For example, a unknown mineral may be scratched with a piece of metal to compare the resistance.
I'm not sure because it's unknown. Ask a science teacher.
mineral content
a mineral can have more than 1 color and more than 1 mineral can have the same color
Identity Unknown was created in 1945.
The duration of True Identity is 1.55 hours.
What is a unknown cation
Identity Unknown - 1960 is rated/received certificates of: UK:U
The way a mineral breaks is a better clue to its identity than are its color and luster.
unknown identity
Minerals are tested for hardness by performing a scratch test. The unknown mineral is scratched with another object that the hardness is known. For example, a unknown mineral may be scratched with a piece of metal to compare the resistance.
No. Gold is an element.
massvolume
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Inner Sanctum - 1954 Identity Unknown - 1.19 was released on: USA: 15 May 1954
The true identity of Brindleface's parents are unknown because it is either unimportant or unknown.