Crystals! Photos


fluorite

Fluorite, CaF2

Chrome alum

Chrome Alum, KCr0.25Al0.75(SO4)2

Rochelle salt

Rochelle salt, NaK(C4H4O6)•4H2O

Nickel(II) sulfate

Nickel(II) sulfate, NiSO46H2O

Copper(II) sulfate

Copper(II) sulfate, CuSO45H2O

Epsom salt

Epsom salt, MgSO47H2O

Quartz

Quartz, SiO2

Pyrite

Pyrite, FeS2