This exceptional Colour-Change Diaspore, also known as Zultanite, originates from the renowned mines of Nangarhar, Afghanistan. With a captivating purplish-pink hue, this gem weighs 4.80 carats and boasts remarkable dimensions of 10 x 8.2 x 5.3mm.
Gemstone Details:
- Colour: Purplish Pink
- Size: 4.80 Carats
- Dimensions: 10 x 8.2 x 5.3mm.
- Origin: Nangarhar-Afghanistan
- Hardness: 7 (Mohs Scale)
- GIA Information: Gem-quality diaspore is known for its rarity, pleochroism, and colour-change phenomenon. This specific gem is from the Goshta district in Nangarhar Province near the village of Ragha.
Optical Properties:
- Biaxial Positive
- Refractive Indices: nα = 1.700, nβ = 1.721, ng = 1.749
Unique Features:
- Rare and striking colour-change phenomenon.
- Highly sought-after gem from a prestigious origin.
Location: Birmingham, United Kingdom
Certification Option:
Certification from GIA and IGI recognised labs is available upon buyer's request. Additional costs apply, covering GIA certification fees and processing time. Should the gem not match the certification, we accept returns and cover return shipping costs.