Pyrite Sphere with Quartz Inclusions (w/ stand) Jewelry ) The variation in colors

) The variation in colors are due to trace amounts of other elements replacing the calcium during the crystalline formation

Much of a Crinoids vital organs

or at least in family herds

Ocean Jasper

000 worldwide

Pyrite Sphere with Quartz Inclusions (w/ stand) Jewelry ) The variation in colorsA golden yellow to brown, widely occurring mineral sulfide, FeS2, Pyrite is used as an iron ore and to produce sulfur dioxide for sulfuric acid. It is also known as Fool's Gold because it resembles gold, even though it is harder (H. 5 6) and a paler yellow. Pyrite is often found in quartz veins, sometimes even with gold. Pyrite crystals are common; it may also occur as grains or in masses. It streaks a greenish black and when tarnished, may resemble