Phenakite

Add one script tag to your page:

<div data-gemfyi="entity" data-slug="phenakite"></div>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>

Embed as an iframe:

<iframe src="https://gemfyi.com/iframe/entity/phenakite/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>

Paste the URL in WordPress, Medium, or Ghost:

https://gemfyi.com/ko/gems/phenakite/

Shields.io-compatible SVG badge:

![Phenakite](https://gemfyi.com/badge/entity/phenakite.svg)

Web Component:

<gemfyi-entity slug="phenakite"></gemfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/gemfyi-embed@1/dist/embed.min.js" defer></script>

Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 7.5 – 8.0

Specific Gravity 2.9 – 2.98

Refractive Index 1.65 – 1.695

Crystal System Trigonal

Luster Vitreous

Fracture Conchoidal

Color various

Birefringence 0.016

Dispersion 0.015

Pleochroism Distinct: colorless - orangy-yellow

Mohs Hardness

Mohs Hardness: 7.5 – 8.0

1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Phenakite

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

Colorless material has been reported to turn a yellow-brown color on irradiation (Pough and Rogers, 1947). One could expect this change to be reversed by heating - Nassau (1984) 7.5 to 8Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references 2.90 to 2.98Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references BrittleArthur Thomas, Gemstones (2009) GoodWalter Schumann, Gemstones of the world (2001) More from other references ConchoidalWalter Schumann, Gemstones of the world (2001) 1.650 to 1.695Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Uniaxial/+Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references 0.016Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Distinct: colorless - orangy-yellowHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) 0.015Arthur Thomas, Gemstones (2009) Colourless, yellowish, pink, greenish blueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references VitreousArthur Thomas, Gemstones (2009) Inert to weak greenish, blue, pinkHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Specimens show a distinct blueMichael O?Donoghue, Gems, Sixth Edition (2006) TrigonalHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Rhombohedral, tabular to prismatic crystalsMichael O?Donoghue, Gems, Sixth Edition (2006) More from other references Phenakite occurs in granite pegmatites.Michael O?Donoghue, Gems, Sixth Edition (2006) More from other references (Veils of) 2-phase inclusions, rutile needles - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 4 Phenakite information at mindat.org Austria  France  Myanmar  Russia  Sri Lanka  USA  Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 437

About Phenakite

페나카이트는 베릴륨 규산염 광물로, 매우 높은 굴절률과 강한 광채를 지닌 무색에서 흰색의 삼방정계 결정으로, 다이아몬드와 유사한 광학적 특성 때문에 과거에 다이아몬드 대용으로 오인되었습니다. 러시아 우랄 산맥, 브라질, 미국 콜로라도주, 노르웨이에서 산출되며, 흠 없이 투명한 결정은 보석으로 가공되어 뛰어난 광채를 자랑합니다. 희귀성과 탁월한 광학적 특성으로 희귀 보석 수집가들에게 매우 높이 평가받습니다.