As tortoise is gifted with long life therefore in Vaastu Shastra & in Fengshui it symbolizes Long life.
As in Puranas, Lord Vishnu took the form of a tortoise to uphold the earth and its beings during the Sagar Manthan; Lord Vishnu’s Tortoise is the second avatar and is called as Kurma avatar.
Crystal Tortoise works as an aid to Vastu correction as it has tremendous power to balance and harmonize the environment around us. Crystal is a strong chi enhancers. Crystal tortoise helps those seeking to enhance career luck, longevity and health, wealth luck, family luck and education luck.
South West and North-west are the best direction for placing crystal tortoise.