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Nature of Material: emerald is a variety of the mineral species beryl (BARE-ul); hexagonal crystal system; chemical composition Be 3Al2Si6O18

Appearance: transparent; highly included stones may be translucent light to very dark green to very strongly bluish green

Phenomena: chatoyancy, asterism (rare)
Variety and Trade Names
Colombian - applied as a trade grade to fine quality emeralds
Trapiche - a special type of Colombian emerald with a central green core and six green arms extending from the prism faces of the core. Albite or carbonaceous inclu¬sions cause the areas between the arms to appear grayish or black.
Russian or Siberian - less bluish, more in¬cluded, and lighter in color than fine Colombian stones
Brazilian - sometimes applied to light green stones; occasionally applied to stones more properly called green beryl
Sandawana - deep color, but usually small and highly included ¬ Zambian - tend to have a slight grayish cast
Typical Size Range: melee sizes to 4 ct; faceted stones over 100 ct are known
Typical Cutting Styles: faceted (emerald cut common), cabochons, and carvings
Optic Character: DE, uniaxial negative
Refractive Index: 1.577-1.583 (±.017)
Birefringence: .005 to .009
Pleochroism: moderate to strong, green and bluish green
Dispersion: .014
Specific Gravity: 2.72 (+ .18, -.05)
Polish Luster: vitreous
Fracture: conchoidal
Luster: vitreous to resinous
Cleavage: very difficult in one direction, almost never seen
Identifying Characteristics: 3-phase inclusions (especially in Colombian stones); calcite, pyrite, and mica inclusions; tremolite needles Enhancements Method: oiling (oil may contain green dye)
Effect: hides flaws, improves transparency, may deepen color
Prevalence: routinely performed on stones with internal breaks reaching the surface
Detection: magnification, ultraviolet fluorescence, infrared spectroscopy
Care and Durability Factors
Cleaning Methods
Steamer: never
Warm soapy water: generally safe, but avoid strong detergents and vigorous scrubbing on oiled stones
Hardness: 7½ to 8
Toughness: poor to good

Reaction to Heat: may cause additional fracturing or complete breakage
Stability to Light: stable, except possible fading in stones treated with green oil
Reaction to Chemicals: resistant to all acids except hydrofluoric; solvents may drive out oil

Availability: limited to scarce (in fine quality)
Public Recognition: well-known
Birthstone Designation
May. Cancer (approximately June 22 - July 22), 2:00 pm, Tuesday, Spring; 20th and 35th anniversary
Major Sources: Colombia, Zambia, Brazil, Pakistan, Zimbabwe, Afghanistan, USSR and Australia
Recommended Disclosures: Caution customers and bench jewellers to avoid heat, rough handling, steam and ultrasonic Cleaners. Inform customers when oiling or other treatment is a possibility.
The Meaning Of Emerald

EMERALD - The Stone of Successful Love and The Healer's Stone

4th Chakra: Heart
Astrological Sign: Stone of Taurus and Gemini.
#2 and #4 vibrations.
Birthstone: May

Metaphysical Properties: As a POWER STONE it offers physical, emotional and spiritual balance. Although Emerald is a stone of prosperity and riches, it is not just a materialistic stone. It also encourages spiritual growth, clear vision, memory, faith, intelligence and communication, inspiration, joy, intuition, clairvoyance, sensuality, love, romance, beauty, harmony, tranquility, serenity, clarity, cleansing, justice, friendship and unity. It seems that more kinds of physical healing have been ascribed to the emerald than to almost any other stone. Relationships: Brings security in love. It allows access to the mystery we hold deepest in our hearts, thereby healing and activating our highest hearts desire. Many women over the centuries have chosen this crystal over Diamond as their wedding stone. Emerald's harmonic energies help make your relationship more successful and promotes domestic bliss. This gem can show you a crystal clear solution to a tough problem. Helping couples work through the early stumbling blocks that often kill relationships.
Psychic: A powerful stone of psychic insight, prophecy, and abundance.
Serenity: Emeralds have a tranquilizing affect on the heart and mind, inspiring calm, clear assurance.
Healing: Emerald is best known as a stone of both spiritual love and spiritual healing, and is the stone most frequently recommended for the "wounded healer," healers who take on their clients' issues or who don't focus enough on their own healing. Creativity: It is also a crystal related to abundance and creativity.
Truth: This is a truth promoting stone, inspiring deep Heart knowing from within.
Group Dynamics: Improves group unity. This gem is especially helpful in large work situations; it promotes harmony within the group and helps them work together for solutions.
Career: Keep an Emerald in your work space. It improves your memory & increases your mental skills. The gem brings greater focus, allowing you to see the best solutions; giving you the tools you need to overcome challenges & motivate you to act.
Heart Chakra: Emerald is excellent for protecting the heart Chakra. Your Heart Chakra can be opened or activated using an Emerald.
Color Green: The color of Healing and Hope. Made of the base mineral beryl, with minute traces of chromium and vanadium giving this gemstone the "green fire"

Physical Healing Properties: Aids healing in the areas of eyesight, upper respiratory tract, liver function, strengthens the immune system & helps you recover from infections (pneumonia); fortifies the heart and detoxifies the blood; anti-inflammatory. Breathing, heart, lymph nodes, blood, thymus, pancreas, balance blood sugar, childbirth, labor, eyesight. Respiratory inflammations, Strengthen heart Chakra for abundance, growth, peace, harmony, patience, love, fidelity, monogamy, honesty. Lift depression and insomnia. Excellent general healer.

Career: All Healing professions, Doctors, Nurses, Ambulance, Counselors, Psychiatrists, Emerald is associated with the 4th, Heart Chakra, and the element of air, generates harmony in all aspects of your life.


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