Londonite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
8.0
Specific Gravity
3.34
Crystal System
Isometric
Fracture
Conchoidal
Color
various
Mohs Hardness
| Mohs | Reference mineral | Londonite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | ● |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Fine ($500-5,000/ct)
Where to Buy Londonite
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 Londonite
ロンドナイトは、ロジジャイトと近縁の極めて希少なセシウム・ベリリウム・アルミニウム・ホウ酸塩鉱物で、硝子光沢から金剛光沢を示す小さな無色〜淡黄色の等軸晶系結晶を形成します。マダガスカルのマンジャカのペグマタイト中で最初に記載され、宝石学者デヴィッド・ロンドンに因んで命名されました。産出が極めて限られた世界最稀少鉱物の一つであり、ファセット加工されたロンドナイトはホウ素鉱物・コレクター宝石愛好家の間で重要な稀少品です。
On this page
Jewelry Use
Durability
9/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Londonite?
ロンドナイトは、ロジジャイトと近縁の極めて希少なセシウム・ベリリウム・アルミニウム・ホウ酸塩鉱物で、硝子光沢から金剛光沢を示す小さな無色〜淡黄色の等軸晶系結晶を形成します。マダガスカルのマンジャカのペグマタイト中で最初に記載され、宝石学者デヴィッド・ロンドンに因んで命名されました。産出が極めて限られた世界最稀少鉱物の一つであり、ファセット加工されたロンドナイトはホウ素鉱物・コレクター宝石愛好家の間で重要な稀少品です。
What is the hardness of Londonite?
Londonite has a Mohs hardness of 8.0, making it excellent for use in jewelry.
What color is Londonite?
Londonite is primarily Various.
How much does Londonite cost?
Londonite falls into the Fine ($500-5,000/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Londonite?
Londonite belongs to the Isometric crystal system.