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Nature of Material: once molten natural mate¬rials; amorphous in structure; chemical Composition variable, but mostly silica, the types cut as gems include: obsidian (natural glass of volcanic origin), tektites (thought to be splash products created by meteor impacts), Libyan desert glass (origin uncertain) 

Obsidian – Transparent to opaque, sometimes with sheen gray to black (often spotted with white), brown to brownish yellow, orange, or red; rarely green, blue, purple 

Phenomena: iridescence, chatoyancy (rare) 
Moldavite (a variety of tektite)-Transparent to translucent Medium to dark yellowish to grayish green 
Phenomena: none 
Libyan Desert glass - Transparent to translucent light yellow to greenish yellow 
Phenomena: none
Variety and Trade Names
Banded obsidian - obsidian showing curved or sinuous bands 
Onyx obsidian - obsidian showing straight, parallel bands
Sheen obsidian - typically has a silvery or golden looking sheen 
Snowflake obsidian - white patches in a black or dark gray background; also called flowering obsidian 
Rainbow obsidian - a variety of obsidian with iridescent colors 
Apache tears - small, rounded, irregularly shaped pieces of obsidian, usually translucent and light to dark gray or brown . 

Obsidian -
 fire pearl, agni mani, glass agate, Montana jet, mountain jet, mountain mahogany, Nevada diamond, Nevada topaz, tokaylux Sapphire, Iceland agate 
Moldavite - Bohemian chrysolite, false chrysolite, glass chrysolite, glass meteorite, pseudo chrysolite. 
Typical Size Range: obsidian - can be very large; moldavite - usually 15 to 25 ct in rough; Libyan Desert glass - rough lumps can weigh up to about 7 kilograms (16 pounds) 
Typical Cutting Styles: cabochons, carvings, beads, faceted (if transparent)
Optic Character: SR, ADR common 
Refractive Index: obsidian and moldavite - 1.490 (+.020, -.010); 
Libyan Desert glass - about 1.46
Birefringence: none 
Specific Gravity: obsidian - 2.40 (+.10, -.07); moldavite - 2.36 (±.04); Libyan Desert glass ¬about 2.20 
Polish Luster: vitreous 
Fracture: conchoidal 
Luster: vitreous 
Cleavage: none 

Identifying Characteristics
Obsidian- gas bubbles, crystallites, stubby needle-like inclusions, may be banded or have numerous oriented inclusions that cause a sheen Moldavite - round and elongated gas bubbles, flow lines, roiled effect Libyan Desert glass - irregularly shaped gas bubbles, tiny rounded grains
Hardness: 5 to 5½ 
Toughness: fair to good 

Availability: obsidian and tektites are plentiful; the others are limited
Public Recognition: obsidian is familiar; the others are unfamiliar 
Major Sources: obsidian is widely distributed throughout the world; moldavite Czechoslovakia; tektites - Southeast Asia, Australia 
Recommended Disclosures: none
The Meaning Of Obsidian

OBSIDIAN - The stone of truth

Element: Fire 

Keywords: vigor, strength, stamina, constancy, steadfastness, permanence , tenacity, firmness, durability, courage, and self-control. 

Metaphysical Properties: Obsidian is volcanic lava cooled quickly. It is a natural glass. A stone of protection, is was probably one the first stones to be used for arrowheads and knives. A stone of Honesty, Sincerity and Truth, Obsidian will bring out the Warrior spirit in you. It can help reach into your subconscious, reclaim yourself, and help you find or re-discover forgotten abilities within yourself. 

Protection: It can help to prevent negative energy from effecting you, and also help keep your thoughts from turning negative. (emotionally beating yourself up?) It is also a very grounding stone.

Insight: Its mirror like surface reveals its special ability to act as a mirror and help you see your own flaws honestly. It doesn't abandon you there, but will also provide insight into correcting those flaws. 

Change: People in 12 Step Programs can use it as a powerful tool of change, aiding your desire to alter behavior, change harmful communication patterns or overcome obsessions. Obsidians forceful dose of cutting reality can be softened if necessary for shy or timid people by combining it with aventurine, rose quartz, and Chrysocolla. The other alternative is to use Snowflake Obsidian, which has many of the same properties, but a softer touch. 
Color: Usually black

Physical Healing Properties: Relieves pain, Circulation: its energies can help those hands & feet that seem to be constantly cold. 

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General Gemstone Details
Obsidian is a naturally created glass. It is formed form volcanic lava which cooled too quickly for significant crystallization to occur. It is most often black, but colors such as gray, brown, and less likely but evident still is red, blue and green. These colors may be uniform, spotted or banded. This coloring is caused by the presence of titanium, iron or manganese. 
Obsidian is a very powerful stone, one which reminds us that birth and death are simultaneously and constantly present, one with the other, always as one. This is a stone that has always been associated with guardian spirits that watch over us, and is connected to protection on all levels. 

Scientific Properties: Moh’s Hardness of 5 with a amorphous crystal structure. Obsidian is found in areas where volcanic activity is or has been. Locations such as Hawaii, Japan, Java, Iceland, Hungary, Mexico, Ecuador, and Guatemala. Dark nodules found in Arizona and New Mexico are called Apache Tears. 

Mystical Properties: Obsidian in general helps to alleviate pain, reducing tension and releasing energy; it is also told to accelerate the physical healing of wounds. Obsidian is an excellent stone simply to have around to absorb and transform the negative energies in to positive. It will vibrate calmness and security, and stabilize the energies of all persons within it's reach. More specifically: 

Black, Brown or Golden Obsidian is quite protective, and is helpful in removing general negativity. It is also helpful for protection against psychic attacks. It will also aid in eliminating bad habits and reduce cravings. 

Mahogany Obsidian will create a feeling of sexiness and more confidence and feeling of ease with one's own sexuality. It will also encourage positive decision making, and has been known to assist in the healing of gums and other tissues in the body. 

Rainbow Obsidian balances and stabilizes energy. This is a good stone to help calm fears, especially when dealing with an abusive situation, as it aids in balancing mental distress. 

Snowflake Obsidian aids in clearer and more logical thinking. Carry this stone to keep others from taking advantage. This stone will reveal what needs to be changed in life to assist one in advancing. 

Healing Properties: Obsidian helps ailments of the stomach and intestines, it is a powerful healing stone but only for some. It is also said to improve ones vision. Black obsidian in particular is one of the most difficult to use if you are not fully prepared to face both positive and negative sides of reality. Since this stone will energize spiritual forces and easily connect with the first chakra, it can help one to face present challenges as well as past life lessons still to be learned. The third eye is often activated in conjunction with processing of the past life karma, so this must be used with caution. When using for emotional healing, it is often best used along with clear quartz. 

Magical Properties:
Energy: Projective
Element: Fire
Powers: Protection, grounding, divination and peace Obsidian is a grounding and centering stone, it is quite effective when carried or utilized in protection ritual. By grounding spiritual energy in the physical plane, obsidian connects the mind and emotions. Absorbing and destroying negative energies, cleaning the subconscious blockages one may have, and then releasing stress. Obsidian spheres (which are still fashioned in Mexico) are wonderful scrying tools, but are quite powerful, and should be used with caution. 
If results are not clear with crystal quartz, attempt the same ritual with obsidian, you should have better results. But, if it's energy and intenseness makes one uncomfortable, holding a clear quartz in one hand while scrying should help balance the power. Often times the blackness of the stone will allow easier access to the subconscious. 

Associations: Saturn Not a traditional birthstone for any month. Stone Sagittarius, to dream of obsidian in any color means a period of darkness and struggle will soon be ending.





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