Mineral grains are crystals or pieces of crystals that vary widely in chemical composition. There are over 4,000 different minerals that have been identified so far.
55
5 crustal plates
You see many crystals. YOU CAN SEE MANY CRYSTALS IN WEED
Crystals are easy to classify because the minerals that they contain are easily identified. One example of this would be emeralds. Another example of a crystal is a diamond.
92 atoms have been identified, i think(:
Mineral grains are crystals or pieces of crystals that vary widely in chemical composition. There are over 4,000 different minerals that have been identified so far.
-thousands
2
i do not know
4,500
4,000
their are about 100
55
four
2000
About 3 Millions.