Appearance:  Chalcedony is a type of quartz. It does not occur in visible crystals, but a waxy luster, and may be semitransparent or translucent.

Chalcedony has a wide range of colors and can be easily dyed.  It is naturally found in white to gray, grayish blue, and brown ranging from pale to nearly black.

Birthstone by Month & Zodiac:  Gemini (May 21-June 20)

Physical and Emotional Balance:  Chalcedony is worn for it aids in overcoming the fear of public speaking.

It helps ease self-doubts, makes you more reflective, dissipates negative energy, and is cleansing in nature. Chalcedony can lessen the effects of dementia and senility.  

Chalcedony can promote brotherhood, goodwill, and peacemaking.  It also fosters stillness and calmness.

Origin:  U.S., Sri Lanka, Russia, Mexico and Brazil.

Mohs Hardness:  6 - 7