Mineralogical characteristics
Jasper is an opaque variety of microcrystalline quartz (chalcedony). It may display different colors depending on its inclusions and can contain up to 20% other minerals. Sometimes it forms together with agate, opal or some fossilized material.
Polychrome jasper is a variety of jasper that contains spherical and veined inclusions in brown, yellow, red, pink, white, grey and greenish tones.
The name jasper comes from the Greek "iaspis", meaning "spotted stone". It is found in hydrothermal veins, volcanic rocks and sedimentary rocks.
Deposits
Madagascar.
Therapeutic properties
Jaspers are stones recommended for energizing the body and bringing vitality. They are also associated with environmental cleansing, protection and grounding. They are often recommended for developing and completing ideas and projects.
Depending on the colors of the jasper, it may also provide specific properties. Polychrome jasper represents integrity and personal strength.