ETYMOLOGY: It comes from the latin "aurun" = gold and "pigmentun" = pigment.

CRYSTAL SYSTEM: Monoclinic.

PRINCIPLE OF FORMATION: Secondary.

CLASS MINERAL: Sulphides.

CHEMICAL FORMULA, MINERAL ELEMENTS: As2S3.

HARDNESS: 1.5 - 2  on the Mohs scale.

FIELDS: China, Peru, USA.

MINERALOGY: Mineral stodgy, very soft, with perfect exfoliation and leafy or laminar fracture, is in low-temperature hydrothermal veins or as subvolcanic product. It is also a product of weathering alteration of other minerals As, containing 61% arsenic and 39% sulfur. It is a mineral that tends to disintegrate if it is kept in prolonged contact with light and air. Usually seen in small tubular or short prismatic crystals. Leafy normally or strongly bright columnar masses.

MYTHOLOGY: During the Roman Empire, was a prized item exchange, China and used it for medicinal purposes, although it has a high toxicity, can be used as volatile poison or potions. The chinese and the alchemists valued this stone because it was look like a gold. It exploded as a pigment, until the nineteenth century cadmium and other dyes are discovered.

PROPERTIES: It is said that oropimiente encourages lazy, combat energy depletion, is a stone of intellectual clarity promoting rational analysis and constructive thinking is very useful to study, because it facilitates retention of information, yellow minerals and golden exert a stimulatory effect and optimistic, bring luck, carelessness and vigor. Make us aware of our needs and wants and helps to ward off damage.

CHAKRAS: Solar Plexus.

ZODIAC SIGN: Leo.

USES: Used in the manufacture of permeable crystal to infrared radiation, special fabrics, glass and linoleum. As a pigment has semiconductor and photoconductor applications and in the manufacture of fireworks. In the rural areas in India it is still used as a depilatory, depilatory in tanning hides, and making poisons. mineral collection.