Chalcedony: Metaphysical & Geological Properties, Images

Chalcedony Specimen picture — Image Credit: Robert M. Lavinsky - http://www.mindat.org/photo-46809.html iRocks.com

About Chalcedony

A cryptocrystalline form of silica (quartz), encompassing many varieties based on color and pattern. Generally, Chalcedony is a nurturing stone promoting goodwill, harmony, and emotional balance.

Primary Hues

White, Grey, Blue, Pink, Brown, Yellow, Red, Green, (Agate: banded, Jasper: opaque, patterned)

Metaphysical Properties

A nurturing stone that promotes goodwill. Believed to absorb negative energy, bring harmony, and ease self-doubt. Different varieties have unique properties.

Affirmation

I am nurturing, harmonious, and full of goodwill.

Chakra Connection

Throat
Sacral

Astrological Alignment

Cancer
Sagittarius

Planetary Influence

Moon
Mercury

Elemental Energy

Water
Air

Vibrational Number

Please read our Metaphysical Disclaimer

Geological & Scientific Details

Chalcedony is classified as a tectosilicate minerals, quartz group mineral which typically crystallizes in the trigonal (quartz) or monoclinic (moganite) system. Its chemical formula is SiO2.

Key Geological Properties:

Mineral Category: Tectosilicate minerals, quartz group
Chemical Formula: SiO2
Crystal System: Trigonal (quartz) or monoclinic (moganite)
Formula Mass (g/mol): 60 g/mol
Predominant Geological Color: Various
Cleavage: Absent
Luster: Waxy, vitreous, dull, greasy, silky
Streak: White
Diaphaneity: Translucent

Associated Minerals

Agate
Carnelian
Chrysoprase
Jasper
Onyx
Bloodstone
Flint
Chert
Quartz

CHALCEDONY

Cryptocrystalline Quartz | varieties include Agate, Carnelian, Chrysoprase, Jasper, Onyx, Bloodstone