Padparadscha

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 9.0

Specific Gravity 3.95 – 4.1

Refractive Index 1.757 – 1.78

Crystal System Trigonal

Color various

Birefringence 0.007

Mohs Hardness

Mohs hardness of Padparadscha shown against the ten reference minerals, from talc (1) to diamond (10).

Mohs	Reference mineral	Padparadscha
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 Padparadscha

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.

Treatments

9Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) 3.95 to 4.10Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) 1.757 to 1.780Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Uniaxial/-Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) 0.007 to 0.010Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Pink-orangeUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Orangy pink, Cr3+ in octahedral coordination and color centers, Cr4+ in octahedral coordination due to Cr4+ and Mg2+ substituting for Al3+ in the crystal structure.W. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011) Transparent,Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) If present, a homogeneous orange fluorescence with indication of high heat-treatment suggest a beryllium diffusion treatment.Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) TrigonalUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Padparadscha information at mindat.org Sri Lanka  Gemexplorer.org

About Padparadscha

パパラチアは、コランダム（サファイア）の中で最も希少で高価な変種で、蓮の花やスリランカの夕焼けを思わせるピンクがかったオレンジ〜オレンジがかったピンクの独特な色調を、鉄とクロムの組み合わせによって示します。名前はサンスクリット語・シンハラ語の「水生蓮の花」に由来し、純粋なピンクでも純粋なオレンジでもないその色定義は宝石学者の間でも議論の的となっています。最上品はスリランカ産で、マダガスカル・タンザニアにも産地があり、トップ品質品は高級ジュエリー市場で極めて高いプレミアムを誇ります。

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