some of the easier things to see in a thin section

This spectacular rock specimen consists of alternating layers of light blue-green amazonite and light grey smoky quartz topped by a biotite mica (muscovite) crystal

It is a lovely lilac pink and is sharply crystallized and partially gemmy

This is a quality specimen that would be a beautiful addition to any new or existing rock collection

Kullu Valley is a broad open valley in Himachal Pradesh

Olivine Volcanic Bomb | Lava Coated Crystal | 140 gr | Mt Shadwell Volcano, Australia | SO24 Pyrite some of the easier thingsAn olivine volcanic bomb is a type of volcanic rock that contains olivine crystals and has been ejected during a volcanic eruption. Olivine is a mineral that is commonly found in the Earth's mantle and is one of the first minerals to crystallize as magma cools. Volcanic bombs are large clots of lava that are ejected from a volcano during an explosive eruption. They can vary in size, and their shapes are often streamlined due to their molten nature as