ETYMOLOGY: By the appearance.
CRYSTAL SYSTEM: Orthorhombic (thick columns)..
PRINCIPLE OF FORMATION: Tertiary.
CLASS MINERAL: Nesosilicatos.
CHEMICAL FORMULA, MINERAL ELEMENTS: AL2 [O I SiO4].
HARDNESS: 7.5 on the Mohs scale.
FIELDS: Spain (Asturias), Brazil, Canada, Russia, Australia, Sri Lanka, USA.
MINERALOGY: The transparent quiastolita as a gemstone is scarce, its luster is glassy and matte, this gem is part of metamorphic rocks is usually crystallize in a visible, presented in slates generally stone cross has a fleshy color plus or less violet, which can change to gray when external disturbances. It is almost always opaque, although it may occasionally be transparent, and in this case when it is intended to gemology. The crystals have a dominant greenish brown color, but because of its intense pleochroism (change color depending on the crystal orientation.)
MYTHOLOGY: The first copies of the stone cross studied by Werner and Delamétherie came from El Cardoso, a town in the province of Guadalajara (Spain), but mistakenly believed that they came from the region of Andalusia, hence the name which gave the mineral.
PROPERTIES: The yellow and gold minerals exert a stimulatory effect and optimistic, bring luck, carelessness and vigor, Green minerals have a harmonizing and neutralizing effect. Green releases the feelings, increase the speed and responsiveness and arouse interest and enthusiasm. Red minerals will become more impulsive and outgoing, intensifies emotions elementary. Stone Cross helps you persuade those fears and feelings of guilt, promotes a sense of reality and objectivity.
CHAKRAS: Solar plexus, spleen, heart.
USES: Jewelry, 95% of the stone cross that is obtained in the world is intended to produce refractory materials for steel and metallurgical industries, cement kilns and crucibles. Is also part of many rocks used in construction and, with a smaller part of the production, they are manufactured thermal insulation, high quality crockery, candles for lighting and tiles for flooring, collection, jewelery, meditation.