Chalcedony Crystals Meanings and Properties
Alternative Names: When concentrically banded it is called by the sub-variety name Agate. When it is in flat layers/bands it is called by the sub-variety name Onyx. Many other sub-variety names exist, including Jasper, Chrysoprase, Flint etc.
Mineral Species: Quartz
Mineral Group: Oxides
Chemical Formula: SiO2
Crystal System: Trigonal
Colour: Usually colourless, white, grey or blue, but most colours exist due to other embedded minerals.
Typical Appearance: Traditionally defined as a fibrous cryptocrystalline variety of Quartz. When it is concentrically banded, it is called by the name Agate. When it is in flat layers or bands it is called Onyx.
Birthstone: Elemental birthstone of Cancer & Sagittarius
Chakra Alignment: Throat, Third Eye and Bindu Visarga
Element: Air, water
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