Imperial Topaz (A variety of topaz of orange, pinkish colours.)
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
8.0
Specific Gravity
3.49 – 3.57
Refractive Index
1.609 – 1.643
Crystal System
Orthorhombic
Cleavage
Perfect
Fracture
Uneven,Conchoidal
Color
yellow
Birefringence
0.008
Dispersion
0.014
Pleochroism
Yellow: definite - lemon-honey, straw-yellow; Red: strong - dark red, yellow, pink-red
Mohs Hardness
| Mohs | Reference mineral | Imperial Topaz (A variety of topaz of orange, pinkish colours.) |
|---|---|---|
| 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 Imperial Topaz (A variety of topaz of orange, pinkish colours.)
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 Imperial Topaz (A variety of topaz of orange, pinkish colours.)
インペリアルトパーズは、オレンジ色からピンクオレンジ色の最高品質のトパーズで、トパーズの中で最も価値があります。ブラジルのオウロ・プレト産が世界最高品質とされ、「帝国のトパーズ」の名の通り、かつてロシア皇帝が愛した宝石です。強い分散性と美しい橙ピンクの色彩が際立ちます。
On this page
Jewelry Use
Durability
9/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Imperial Topaz (A variety of topaz of orange, pinkish colours.)?
インペリアルトパーズは、オレンジ色からピンクオレンジ色の最高品質のトパーズで、トパーズの中で最も価値があります。ブラジルのオウロ・プレト産が世界最高品質とされ、「帝国のトパーズ」の名の通り、かつてロシア皇帝が愛した宝石です。強い分散性と美しい橙ピンクの色彩が際立ちます。
What is the hardness of Imperial Topaz (A variety of topaz of orange, pinkish colours.)?
Imperial Topaz (A variety of topaz of orange, pinkish colours.) has a Mohs hardness of 8.0, making it excellent for use in jewelry.
What color is Imperial Topaz (A variety of topaz of orange, pinkish colours.)?
Imperial Topaz (A variety of topaz of orange, pinkish colours.) is primarily Yellow.
How much does Imperial Topaz (A variety of topaz of orange, pinkish colours.) cost?
Imperial Topaz (A variety of topaz of orange, pinkish colours.) 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 Imperial Topaz (A variety of topaz of orange, pinkish colours.)?
Imperial Topaz (A variety of topaz of orange, pinkish colours.) belongs to the Orthorhombic crystal system.