ETYMOLOGY: The word Jasper comes from the greek term iaspis meaning "spotted stone".

CRYSTAL SYSTEM: Trigonal.

PRINCIPLE OF FORMATION: Secundary.

CLASS MINERAL: Oxides, quartz group.

CHEMICAL FORMULA, MINERAL ELEMENTS:  SiO2 + Fe, O, OH, Si.

HARDNESS: 6,5 - 7 on the Mohs scale.

FIELDS: Brazil, India, Canada, Madagascar, Russia, USA etc.

MINERALOGY: Jasper is a microcrystalline quartz, small granular structures, always it contains foreign matter, sometimes in a proportion of 20%, so the variety of jasper, secondarily form penetrating the original solution of silicic acid in argillaceous rocks or sandstones or mixed with plenty of suspended particles, the solidified silicic acid and transformed into quartz sandstone small particles are trapped in jasper, hence its color, drawings and shine.

TO KNOW MORE
Jasper is a mineral that can form almost anywhere, as there are a variety of jasper, these can be classified into three basic colors:

YELLOW JASPER: SiO2 + Fe, O, OH Amarillo, sand color, brown.
GREEN JASPER: SiO2 + Fe, Si green light to dark.
RED JASPER: SiO2 + Fe, or red to red-brown tile.

MYTHOLOGY: Alexandre Magno used as a garnish, it was also highly valued by the alchemists of the Middle Ages. In the Old and New Testament reference to this gem repeatedly Christians of the Middle Ages used the red recording scenes of the crucifixion and martyrs Jasper, so it is also known as "stone of martyrs" and said to this stone was formed when drops of Christ's blood fell and stained jasper at the foot of the cross.

PROPERTIES: It is said that the red jasper brings willpower, adds value to perform unpleasant tasks, is a mineral lands energies and correcting unjust situations, we can understand the most difficult situations, and that red jasper and helps discover problems calm emotions to take the best solution.
 

CHAKRAS: Sacral.

USES: Decoration, meditation, collection, jewelery.