Minerals Flashcards
Mineral
A naturally formed in organic salad with a definite crystalline structure
questions
is it a solid
is it inorganic
does it have a crystalline structure
was it formed in nature
how many elements are minerals made of
minerals are made from one or more elements pure substances that cannot be broken down into simpler substance
how many natural occurring elements
92 natural occurring elements
Adoms
Adoms are the smallest part of an element properties
Compound
substance made of two or more chemically joined elements
native elements
mineral composed of only one element ( gold or silver)
Crystal
A solid whose Adoms or molecules are arranged in a definite pattern
silicate minerals
contains elements silicon and oxygen. Makes up more than 90% of earths crust, examples qourts in Mica
non-silicate minerals
does not contain silicate in oxygen. Makes up 10% of earths crust
what can cause minerals to change or have a variety variety of color
impunities, exposed to air and water
why is a mineral streak more reliable than a minerals color and identifying a mineral
streak doesn’t change
surface mining
One advantage is it safer for miners
One disadvantage if you can’t access certain minerals
subsurface mining
One advantage is it causes less damage to environment and habitats
One disadvantage is it could be dangerous-cave ins
