5.4 carats Oval London Blue Topaz jewelry Variety: Tourmaline is actually a

Variety: Tourmaline is actually a group of several different minerals

Hardness: 7 on Mohs scale (durable for jewelry)

Each stone displays the characteristic Panjshir green color with good transparency and minimal inclusions typical of this world-class locality

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5.4 carats Oval London Blue Topaz jewelry Variety: Tourmaline is actually a5. 4 carats Oval London Blue Topaz Key Features: Gemstone Name: London Blue Topaz Total Weight: 5. 4 carats Total Pieces: 1 Dimensions: 11. 71 x 9. 53 x 6. 56 mm Clarity: VVS Color: London Blue Shape: Oval Cutting: Brilliant and Fancy Treatment: No Origin: Pakistan