Hand Carved Natural Genuine Obsidian Buddha Good Luck Charm Pendant - Shape / Type: Pendant - Material / Gem:Genuine Obsidian - Refractive Index: 1.49 - Specific Gravity: 3.33 - 3.34 - Color & Variety: Black, Icy Variety - Size: 4.5cm*3.5cm Necklace length: 60cm - Weight : 40.277g - Luster: Glassy Luster - Surface Texture: Medium Grain Comes with jewelry certificate Free returns