Neptunite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 6.0
Specific Gravity
3.19 – 3.23
Refractive Index
1.692 – 1.734
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Conchoidal
Color
various
Birefringence
0.029
Pleochroism
Pale yellow - yellow-orange - orange to red-brown
Mohs Hardness
Mohs Hardness: 5.0 – 6.0
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Neptunite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Neptunite
넵튜나이트는 나트륨 칼륨 리튬 철 티타늄 규산염 광물로, 짙은 흑색의 가늘고 긴 단사정계 결정이 베니토아이트, 네이티브 베니토카운티 등 희귀 광물과 함께 산출됩니다. 캘리포니아주 산베니토카운티의 댈러스 보석 광산에서 특히 아름다운 표본이 채취되며, 청색 베니토아이트와 흑색 넵튜나이트의 대비는 광물 수집가들에게 가장 탐나는 조합으로 알려져 있습니다.
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Neptunite?
넵튜나이트는 나트륨 칼륨 리튬 철 티타늄 규산염 광물로, 짙은 흑색의 가늘고 긴 단사정계 결정이 베니토아이트, 네이티브 베니토카운티 등 희귀 광물과 함께 산출됩니다. 캘리포니아주 산베니토카운티의 댈러스 보석 광산에서 특히 아름다운 표본이 채취되며, 청색 베니토아이트와 흑색 넵튜나이트의 대비는 광물 수집가들에게 가장 탐나는 조합으로 알려져 있습니다.
What is the hardness of Neptunite?
Neptunite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Neptunite?
Neptunite is primarily Various.
How much does Neptunite cost?
Neptunite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Neptunite?
Neptunite belongs to the Monoclinic crystal system.