A mineral is a solid, naturally occurring substance that has a specific chemical composition and a highly ordered internal (crystalline) structure
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05.03.2018
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Bu səhifədəki naviqasiya:
A solid, cohesive aggregate of grains of one or more minerals
The size of atom is determined by electron cloud of the ION
Ion charges must sum to ZERO
Temperature and pressure play defining roles in establishing stability of mineral
Why are there different forms of ice at different temperatures and pressures
Because the ion sizes change, relative to each other, at different T P, so the ideal packing changes.
How might stishovite occur naturally
Meteorites! Why are they still at the surface
Metastability (too cold to change back)
A
mineral is a solid
, naturally occurring substance that has a specific chemical composition and a highly ordered internal (crystalline) structure.
A mineral is a solid, naturally occurring substance that has a specific chemical composition and a highly ordered internal (crystalline) structure.
A solid, cohesive aggregate of
grains of one or more minerals
A solid, cohesive aggregate of grains of one or more minerals
The size of atom is determined
by electron cloud of the ION
The size of atom is determined by electron cloud of the ION
Ion
charges must sum to ZERO
Ion charges must sum to ZERO
Ion sizes must be compatible (electron cloud)
Temperature and pressure play defining roles in establishing
stability of mineral
Temperature and pressure play defining roles in establishing stability of mineral
Why are there different forms of ice at different temperatures and pressures?
Why are there different forms of ice at different temperatures and pressures?
Why are there different forms of ice at different temperatures and pressures?
Why are there different forms of ice at different temperatures and pressures?
Because
the ion sizes change
, relative to each other, at different T & P, so the ideal packing changes.
How might stishovite occur naturally?
How might stishovite occur naturally?
How might stishovite occur naturally?
How might stishovite occur naturally?
Meteorites!
How might stishovite occur naturally?
How might stishovite occur naturally?
Meteorites!
Why are they still at the surface?
How might stishovite occur naturally?
How might stishovite occur naturally?
Meteorites!
Why are they still at the surface?
Metastability (too cold to change back)
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446 b.
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