obsidian
they aren't made BY volcanos but they are made in the volcanos
Some are, not others.
As molten rock cools and solidifies the chemical components arrange into organized structures on the molecular level. These are crystals.
Swarovski crystals are made of crystal.
All volcanoes are made of gas and magma.
Gemstones are made from mineral crystals, yes.
some of Hawaii is made of volcanoes. but not all of it
what are paramount crystals made of
After the evaporation of water crystals are formed.
it is a meteorite made by a volcanoes
Hawaii was made by volcanoes and has a lat of them
atoms, ions, and molecules basically make up crystals are made from molten lava