Large piece of raw Sumatra Blue Amber 343g

Stone: premium Sumatra blue amber Color: yellow, dark caramel, blue (under UV) Dimensions: 13cm x 10cm x 5cm Approximate weight: 343 g Shape: freeform Special properties: fluorescence. Blue amber reveals a blue luminescence under UV light. Its blue color can also be observed in sunlight. Classification: Organic compounds (fossil resin) Mohs hardness: 2-2.5 Density: 1 to 1.2 Origin: Indonesia Care instructions: Clean amber with a damp cloth. As amber is a soft resin, do not bring it into contact with abrasive elements that could scratch it. Avoid exposure to high heat. Also avoid repeated exposure to soap/shower gel, cosmetics (perfume, etc.), or household products, as amber could turn white. Photos are contractual. Photos with intense blue were taken with a UV lamp.