DMSO (dimetylsulf oxide) (CH3)SO is a liquid with the freezing point at 19 oC.
cooling magma (lava beneith earth's surface) and crstals begin to form
There are many ways to make crystals from scratch.
All salts make crystals.
If you use ammonium phosphate you can make large crystals by mixing it with hot water the slower it cools the larger the crystal formed check online for more details
what do you need to make a borax crystals
Different minerals color clear crystal. Iron oxides make reds and oranges, copper makes blues and greens .
to make crystals grow
Sure, because crystals make rainbows.
watersalt
do sugar crystals form on straws
Blizzard conditions would make photographing snow crystals difficult.
There are different minerals in different crystals which make them different colors. And "imperities"