hello this is where im gonna put all my school crap.
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Science class crap:

Hematite - Fe<small>2</small>O<small>3</small> - Trigonal
Galena - PbS<small></small> - Isomatric
Flourite - CaF<small>2</small> - Isometric
chrysocolla - (Cu,Al)<small>2</small>H<small>2</small>Si<small>2</small>O<small>5</small>(OH<small>4</small>·nH<small>2</small>O - Orthorhombic
barite - BaSO<small>4</small>
calcite
sphalerite
halite
gypsom
pyrite
bornite
amethyst
Quartz
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