Chalcedony

ETYMOLOGY:  Its name comes from Calchedon, ancient city of Bithynia in Asia Minor.
 
CRYSTAL SYSTEM: Trigonal.
 
PRINCIPLE OF FORMATION: Primary.
 
MINERAL CLASS: Oxide, quartz group.
 
CHEMICAL FORMULA, MINERAL ELEMENTSSiO2, silicon dioxide.

HARDNESS:  6.5 - 7  on the Mohs scale.
 
FIELDSGalicia, Aragon, Morocco, Brazil, Uruguay, USA
 
 

MINERALOGY: The chalcedony is a microcrystalline variety of silicon dioxide, it is a translucent milky blue agate. It forms in rock cavities of different kinds, especially lavas.

 

MYTHOLOGY: Since ancient chalcedony represented the air and water elements. As such I was used as a magical symbol of time and to deal with climate-related diseases (colds, circulatory problems) since ancient times is considered as the mineral chalcedony speakers. The fibrous structure gives chalcedony and hardness makes it ideal for carving.

 


PROPERTIES: It is the stone of generosity. Harmonizes body and mind. It is the stone of maternal love, serenity and creativity, enhances the ability to listen and understand, promotes the joy of contact with others, chalcedony is a mineral that conveys optimism.

 

CHAKRASBrow, heart and crown.

ZODIAC SIGN: Sagittarius, Aries, Libra and Gemini.

USES: Jewelry, meditation, collection.

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