Oh My Weekend Crystal Quiz 2

A variety of Chiastolite and a component in Acid-Resistant Ceramic products?

A member of the Baryte Group it comes in blue, white, reddish, greenish, brownish, greyish; colourless or lightly tinted in transmitted light

Often referred to as the "TV Stone"

Originally named about 300-325 BCE and supposedly the first mineral ever named ending with a "-ite" suffix.

A mineraloid that are igneous rocks with a high silica content

This mineral is composed of amorphous silica and not a true mineral.

Also known as Bolivianite

This group of tectosilicate minerals make up about 41% of the Earth's continental crust.

A coarse-grained granitic rock that, after metamorphism, contains abundant pink orthoclase and pistachio-green epidote.

A variety of Muscovite Mica named after a German chemist and mineralogist.