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:  Madagascar.

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: Jasper term comes from the east and in ancient times was synonymous with quartz, in ancient Egypt were used as carving them amulets in the form of beetle, and in the Middle Ages he was considered the stone of the victors, who imbedded in their swords, as was the case sigifrido wearing a jasper on the hilt of Balmung.

PROPERTIES: It is said that the blue jasper connects you with the spirit world, balances the energy of yin-yang, the blue mineral has a cooling and soothing effect, promotes relaxation, sincerity and openness help to overcome fear and to recover the mood, develop strength and inner balance.

CHAKRAS: Throat.
 
ZODIAC SIGN: Pisces.

USES: Meditation, collection, jewelery.