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These Tiger's Eye Red polished tumble stone are roughly the size of a 10 piece. 
Red Tiger’s Eye (also known as Ox Eye)
Source: Found throughout the world predominantly in USA, Mexico, India, Australia and South Africa
Chakra: Base
Zodiac: Leo and Scorpio
General: In addition to carrying the generic properties of Tiger’s Eye, Red Tiger’s Eye overcomes lethargy and provides motivation.  Speeding up a slow metabolism and increasing low libido, Red Tiger’s Eye can be used to enhance the flow of Qi.
Beneficial For: Claimed to be beneficial for libido, brain hemisphere integration, perception, internal conflicts, pride, wilfulness, emotional balance, yin-yang, fatigue, haemophilia, hepatitis, mononucleosis, depression, reproductive organs.1
Emotional Healing: Said to assist fill its wearer with enthusiasm and optimism if depressed by calming anger and irritability, especially in men.
Practical Uses: If you are in a situation or place where tempers are flaring or stress is reaching boiling point, place Red Tiger’s Eye tumblestones around the room.  Wash them in very cold water afterwards.
Workplace: Red Tiger’s Eye increases personal power for those downtrodden at work.  It’s effective for repelling inappropriate sexual remarks.2
References:
Judy Hall, “The Encyclopedia of Crystals”, Bounty Books, London, 2015
Cassandra Eason, “The Complete Crystal Handbook”, Sterling Publishing, New York, 2010