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macro d'une agate de Botswana qui est une pierre semi-précieuse, fine. vertus.

Agate Stone

Agate , a variety of chalcedony , is a microcrystalline quartz distinguished by its bands and layers of varied colors. Its name, derived from the Greek "akhatés," refers to the Achates River in Sicily, where it was once abundantly found.

Mineralogy: Agate

Physical and chemical properties

  • Chemical composition: Silicon dioxide (SiO2) with traces of impurities (iron, manganese, etc.)

  • Hardness: 6.5 to 7 on the Mohs scale

  • Density: 2.58 to 2.65 g/cm³

  • Crystal system: Rhombohedral

  • Refractive index: 1.53 to 1.54

  • Birefringence: +0.004 to +0.009

Distinctive features

  • A variety of chalcedony , itself a variety of quartz .

  • Distinguished by its bands and layers of varied colors, due to impurities.

  • Common colors: gray, white, brown, red, yellow, blue.

  • Transparency: translucent to opaque.

  • Luster: Vitreous to waxy.

Formation and deposits

  • Forms in cavities of volcanic rocks and in hydrothermal veins.

  • Origin: precipitation of silica from aqueous solutions.

  • Important deposits: Brazil, Uruguay, India, Madagascar, China.

plusieurs agate de Botswana poli qui est une pierre semi-précieuse, fine. vertus
Image de Ian Talmacs

Agate : Mysteries, Legends and Fascinating Properties

A stone of enchantment and intrigue , agate has captivated the imagination of men for centuries. It was once revered for its mystical powers:

  • Invisibility and Victory: It was said to make its wearer invisible and ensure victory over their enemies.

  • Eloquence and persuasion: A symbol of eloquence and persuasive power, she attracted popularity and divine favor.

  • Luck and Protection: In ancient Rome, wearing an agate ring was a talisman of luck and protection against evil forces.

Renowned for its healing properties, agate was used as an amulet:

  • Against snake bites: Protected against snake bites and relieved pain.

  • Universal remedy: Saint Hildegard of Bingen recommended drinking an infusion of agate to cure all ailments.

Symbolism and beliefs across cultures:

  • Ancient Rome: Talisman of luck and protection against evil forces.

  • Middle Ages: Remedy for snake bites and diseases.

  • East: Symbol of longevity, prosperity and happiness.

Agate today:

  • Coveted semi-precious or fine stone: Retains its status as a coveted semi-precious stone for its beauty and unique properties.

  • History and symbolic meanings: Continues to fuel the imagination and captivate mineral enthusiasts.

Agate : Benefits and virtues for the body and mind

Heart Chakra

Cognitive and mental improvement

  • Improved concentration and memory

  • Stimulation of logical and Cartesian thinking

  • Development of perseverance and tenacity

Emotional balance and well-being

  • Brings emotional stability and reduces anxiety and stress

  • Building self-confidence and courage

  • Promotes inner peace and harmony

Physical support and vitality

  • Improved vision and relief from conjunctivitis

  • Fights feverish infections and strengthens the immune system

  • Soothing bladder inflammation and urinary disorders

  • Stimulation of digestion and improvement of intestinal transit

  • Prevention of stomach tumors and protection against ulcers

  • Strengthening blood vessels and improving blood circulation

pierres roulées d'agate mousse poli qui est une pierre semi-précieuse, fine. vertus.
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