Introduction 
Shree Yantra is one of the most auspicious, important and powerful Yantra created by guru Dattatreya for the well being of the human being. "Shree" means wealth and "Yantra" means instrument.  It means Shree Yantra is the instrument for wealth and brings about spiritual and material wealth. It is the symbolic form of all the god and goddess. The Vedas has explains Shree Yantra as a scientific, cosmic & planetary energy zone. Shree Yantra symbolizes a total of 2816 energies or goddess and worshipping this Yantra means worshipping all these energies.

Crystal Shree Yantra
Crystal Shree Yantra is made of crystal stone. Crystal is best to make Shree Yantra because of their purity and clarity. There are negative energies around us and these energies stands in our way of achieving greater success, affluence, harmony & peace. Crystal attunes themselves automatically to human vibrations and save us from outside negative vibrations. They are said to be a divine store-house of energy which pick up particular cosmic ray wave emitted by the planet and transform them into constructive vibration. These are then transmitted to the surroundings where the Shree Yantra is placed, thus destroying all destructive forces. 

Geometry
Shree Yantra sacred geometry helps in clearing all the negative energies, the fog that surrounds our life. Shree Yantra is made in 3 dimensions because 3 dimensions have best results scientifically. It consists of 7 pyramid steps & 43 petals with base angle of 51.032.In the universe there are 3 states-creations, establishment & destruction. These states are indicated by 3 circles of Shree Yantra. The upward triangle of Shree Yantra indicates fire element, circles indicates air, top point indicates sky, base indicates earth, and downward triangles indicates water. The entire Shree Yantra Shows the complete life cycle of the universe. In the centre of the inner most circle there is a point around which there are 9 triangles, of which 5 triangles point downwards (towards Shakti) and 4 triangles point upwards(towards Shiva) .Downward pointing 5 triangles symbolizes 5 sense ,5 organ .Upward pointing 4 triangles symbolizes life , soul, bone-marrow, genes. The top point of the Shree Yantra is called aerial or antenna. It is the abode of MAHATRIPURSUNDARI the divine goddess. By worshipping the Shree Yantra we worship all the god & goddess.

Sthapana (Establishment)
Shree Yantra sthapana in the office or in the home is done on Friday. In the morning wash it with GANGAJAL or raw milk .Then place yellow cloth and put a gold/silver sheet or silver coin on it. Now place Yantra on it. 
Chant 108 times the following mantra on Crystal Mala -
OM SHREEM HREEM SHREEM KAMLE KAMLALYE PRACHODAYA PRACHODAYA, SHREEM HREEM SHREEM OM MAHALAXMAYA NAMAH,
OM LAXMI NARAYANAMYAM NAOH NAMAH.
This is called "MAHALAXMI MANTRA" and gives best results on Crystal Mala. While chanting this mantra concentrate on the top of the Yantra and meditate with open eyes. It is also helpful for student in achieving concentration& intelligence.

Effects
Shree Yantra brings with it wealth & wisdom, peace & prosperity, grandeur & glory, virtue & valour and shields against danger & disease ,despair & disaster .It neutralize the evil effects of planet on human beings. Crystal Shree Yantra balance & harmonize the aura around us & remove the negative energy, therefore when we place it in our home or office, place is purified by the power of crystal & the mystical geometry of Shree Yantra bless the native with wealth & success. So don't be surprised if all your wishes start coming true and life becomes a joy for you.