Opal Gem Jar 7 million years ago

7 million years ago

striking the Earth in a few different locations

After millions of years of wear

really showcasing its beauty

it left its mark to be recorded in history

Opal Gem Jar 7 million years agoOpal is a form of amorphous silica. This means it forms with no true crystal structure. Opal can naturally contain up to 20% water. Opal is not a mineral, but a mineraloid because of its lack of structure. On a microscopic scale, opal contains spheres of silica, giving rise to the flashes of color we all know and love. The matrix associated with opal can be almost any visible color, most commonly white, occasionally black. Opal is used in helping