Labradorite stone weighing 41.615 carats

Technical details: Type: Labradorite Weight: 41.615 carats Dimensions (mm): 33.18x22.18x6.26 Shape: Oval cabochon Color: Rainbow mixture Clarity: Unclassified Transparency: Opaque Hardness: 6.0-6.5 Treatment: Untreated Origin: Unknown Certification: Certificate from Saudi Laboratory (MT) - website (www.mtgl.com.sa) Labradorite is a mineral belonging to the Plagioclase Feldspar group, known for a unique optical phenomenon called "Labradorescence" or "Schiller Effect," where a play of rainbow-like metallic colors—blue, green, yellow, or gold—appears when the stone is moved. Usually, Labradorite is dark gray to black in its normal state. This mineral forms in basic igneous rocks such as basalt and gabbro.