Firooz Nishaburi Iranian, 24.9 karat

Technical details: type: Fayrouz Neshaburi Iranian (Turquoise) weight: 24.9 carats shape: cabochon (Cabochon) color: Persian sky blue clarity: uncategorized (Uncategorized) transparency: opaque (Opaque) hardness: 5.0-6.0 treatment: treated with porosity enhancement origin: Neshaburi Iranian certification: electronic certificate (PDF) from laboratory (MT) Saudi - website (www.mtgl.com.sa) The turquoise (Turquoise) is characterized by its bright and pure sky blue color, which is often free of impurities or brown/black veins (known as "matrix"), or may contain few thin veins of iron oxide or limonite that increase its beauty. It is known for its good hardness and ability to retain its distinctive blue color for long periods.