Nepalese Kainite stone, 1.59 carats

Technical details: Type: Kyanite Weight: 1.598 carats Dimensions (mm): 9.52x6.02x3.05 Shape: Oval Color: Blue Clarity: Eye-clean Transparency: Transparent Hardness: 4.5-7.0 Treatment: Untreated Origin: Nepal Certification: Certificate from the Saudi Laboratory (MT) - website (www.mtgl.com.sa) Kyanite is a aluminum silicate mineral, known for its distinctive blue color ranging from light blue to dark blue, and sometimes appearing white, gray, or green. Kyanite is characterized by its variable hardness depending on the crystal orientation, being harder along one axis and softer along another. This mineral forms in regional metamorphic rocks, especially those formed under high temperature and pressure conditions.