PHYSICAL PROPERTIES
- GROUP Silicates - tectosilicates
- COMPOSITION SiO2
- COLOR Red, yellow, brown and many others
- CRYSTALLINE SYSTEM Hexagonal / trigonal
- CRYSTALLINE HABIT Cryptocrystalline
- HARDNESS 7
- FRACTURE Conchoidal
- EXFOLIATION Null
- GLOSS Vitreous
- STRIP White
- TRANSPARENCY Opaque
- SPECIFIC GRAVITY 2.7
MINERALOGICAL CHARACTERISTICS
The jasper is an opaque variety of microcrystalline quartz (chalcedony). It can present different colors depending on its inclusions, and may contain up to 20% of other minerals. Sometimes it is formed together with the agate, the opal or some fossilized material.
The polychrome jasper is a variety of jasper that contains spherical and veined inclusions of brown, yellow, red, pink, gray white and greenish tones.
The name of jasper comes from the Greek "iaspis", which means "stained stone". It is found in hydrothermal veins, in volcanic rocks, and in sedimentary rocks.
Deposits: Madagascar.
THERAPEUTIC PROPERTIES
The jaspers are stones indicated to energize the body and give it vitality. They are also associated with environmental cleanliness, protection and rooting. They are usually indicated to develop and carry out ideas and projects.
Depending on the colors that the jasper has, it can also provide specific properties. The polychrome jasper represents integrity and personal strength.
