Origin: Mt. Vohidraty (Vohidratsy), Antaly, Ampanihy District, Atsimo-Andrefana, Madagascar Description: Turquoise is an opaque mineral that occurs in beautiful shades of blue, bluish green, green, and yellowish green. It has been treasured as a gemstone for thousands of years. Turquoise is a stone of purification, it helps dispel any negative energy. Used to help stabilize mood swings and is said to open all chakras, allowing the stone's powers of love and communication to flow through the entire being. With that being said it's is most effective for the heart and throat chakras. Turquoise aids in communication with yourself and others. Eliminates mental and physical exhaustion, and helps anyone suffering with depression or panic attacks. Chemical Composition: CuAl6(PO4)4(OH)8·5H2O Grade: Semi PreciousAppearance: OpaqueInclusions: Some matrix. Cost per Gram: $0.80Approximate Size of 1 pc: 10.5cm x 7cm x 5.5cmApproximate Weight of 1 pc: 60g Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.