Jasper 
SiO2 - Silicon Dioxide
Jasper is an opaque, impure Chalcedony, usually red but also yellow, green, and grayish blue. Often jasper is multi-colored. Jasper is a very pretty, inexpensive earth stone. It is usually worn as beads or cabochons. More on...
Colors: Rich clay red color, with a slight greyish-black matrix
Lustre:
System:
Care and Treatment
The polish on Jasper will often be washed away in water. Clean with a soft dry cloth.
Jasper is often sealed with petroleum products.
Hardness
Jasper has a hardness rating of 7.
Specific Gravity: 2.65 - 2.66
Healing
Where Found
Birthstone Months
Star Stone Months
Anniversary Gemstone
Mystical Properties
Leopard skin Jasper is said to bring one what they need; Poppy Jasper is said to help bring joy into life. Opalite Jasper is said to help one sleep.
Lore
Jasper was thought to drive away evil spirits and protect against snake and spider bites.
Jasper was known as the great "rain-bringer" in the fourth century.
Jasper is the US State Rock of Massachusetts.
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