Chemical Composition: Silicon Dioxide
Hardness: 7
Specific gravity: 2.651

Occurrence: From grey to warm brown, light and clear to an almost “solid” looking black/brown. The coloration is due to natural radiation occurring in its environment. Crystals can also be smoky in color from the presence of sodium. Excellent specimens are currently found in Brazil, Switzerland, and Mexico. In the U.S., fine elestials and scepter’s are found in Nevada, and other sites include Arkansas, California, and Colorado.

Metaphysical Properties: The Stone of Co-Operation - A Gentle Grounding Stone
Dissipates negativity. Balances energies of mind and body. Good for meditation. Protective and grounding stone. Enhances dream awareness and channeling abilities. Aids depression, is mildly sedative and relaxing.

Smokey Quartz helps to set aside willfulness and headstrong behavior.   Smokey quartz has the ability to transform negative energy, and is particularly effective in dealing with anger and resentments.  It is a stone that helps you be right here, in the moment.
It clears up communication difficulties, and helps to dissolve mental and emotional blockages that can get in the way of perception or learning.

Especially helpful with ailments of the hands and feet. Aids healing in the areas of back problems, dissolves cramps, alleviates pain and fortifies the nerves.
Astrological Signs: Capricorn & Sagittarius
Smokey Quartz stimulates the cooperation of multiple energies toward a common goal.  A wonderful stone for relationships, and for people in recovery who are part of a larger group, whether it be work, hobby, a home group, business group, or association. 
This is not a quick energy stone, like Clear quartz crystal, but it has intense staying power,  to carry you over the long haul. 

Combine Smokey Quartz with Clear Quartz for lots of positive energy towards obtaining your dreams and goals, and to energize them into being a reality.