Chalcedony

ChalcedonyA silicone based mineral closely related to quartz and agate, Chalcedony has a unique crystalline structure that gives it an enormously variable appearance. This mineral forms in a similar fashion to agates and geodes but due to heat and pressure at the time of formation results in a distinct look and almost silky texture. Chalcedony can be found in a range of colors but most often occurs in semitransparent or white. It has a long archaeological

It is found in a wide range of shades from deep purple to pale violet and even pink

textures and patterns

It rarely occurs in crystal form but is often found in botryoidal or fibrous formations

Aquamarine is a form of Beryl crystal long sought after as a gem and precious stone due to its beautiful blue-green hue and clarity

Amethyst is often found in spectacular geodes

the mineral contains arsenic and silicate and historically has been used in pyrotechnics as well as a cosmetic since ancient Egyptian times until the safety issues with arsenic in makeup became known

The name "Phantom" Fluorite is applied to Fluorite crystals with a visibly darker colored crystal core within

Pure fluorite is clear

Middle Devion period

An abundant medium-growing crab species found in the shallow seabed of the middle Miocene Monterey Formation

Paradoxides sp

red and many other colors corresponding to their physical makeup and conditions when the mineral was formed