Zoisite
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://gemfyi.com/iframe/entity/zoisite/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://gemfyi.com/entity/zoisite/Add a dynamic SVG badge to your README or docs.
[](https://gemfyi.com/entity/zoisite/)Use the native HTML custom element.
Add one script tag to your page:
<div data-gemfyi="entity" data-slug="zoisite"></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/zoisite/?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/pt/gems/zoisite/
Shields.io-compatible SVG badge:
Web Component:
<gemfyi-entity slug="zoisite"></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
6,0 – 7,0
Specific Gravity
3,2 – 3,5
Refractive Index
1,685 – 1,707
Crystal System
Orthorhombic
Luster
Vitreous
Cleavage
Perfect
Fracture
Conchoidal
Color
various
Birefringence
0,006
Dispersion
0,0196
Pleochroism
Strong
Mohs Hardness
| Mohs | Reference mineral | Zoisite |
|---|---|---|
| 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
Moderate ($50-500/ct)
Where to Buy Zoisite
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
6 to 7Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
3.20 to 3.50Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
PerfectUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
ConchoidalArthur Thomas, Gemstones (2009)
1.685 to 1.707Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Biaxial/+Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
0.006 to 0.013Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
StrongArthur Thomas, Gemstones (2009)
0.0196Arthur Thomas, Gemstones (2009)
RareHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Green, brown, red-violet, bluish-greenUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
Blue, (tanzanite - heat treated), V4+ in octahedral coordination; with V3+ in octahedral coordination. Brown-violet, V3+ in octahedral coordination (treatment turns blue, tanzanite). Green, Cr3+ in octahedral coordination. Pink (thulite), Mn3+ in presumably octahedral coordinationW. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011)
Transparent,Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
VitreousArthur Thomas, Gemstones (2009)
OrthorhombicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
PrismaticMichael O?Donoghue, Gems, Sixth Edition (2006) More from other references
Occurs in medium-grade regionally metamorphosed crystalline schists formed from igneous, sedimentary or metamorphic rocks relatively high in calcium.Michael O?Donoghue, Gems, Sixth Edition (2006)
Zoisite information at mindat.org
Pakistan
Blauwet (2006)
Tanzania
Dirlam et al. (1992)
[var: Tanzanite] Malisa (2003)
[var: Tanzanite] Malisa (2003)
[var: Tanzanite] Malisa (2003)
[var: Tanzanite] Malisa (2003)
[var: Tanzanite] Malisa (2003)
[var: Tanzanite] Malisa (2003)
About Zoisite
A zoisite é um mineral epídoto de silicato de cálcio e alumínio que ocorre em várias notáveis variedades gema, incluindo a tanzanite azul-violeta, a thulite rosa e a anyolite verde (com inclusões de rubi). Descoberta no século XIX nos Alpes, a zoisite corrente ocorre em rochas metamórficas e é extraída em vários locais do mundo. As suas variedades gema, especialmente a tanzanite, encontram-se entre as pedras preciosas mais valorizadas do mercado contemporâneo.
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Zoisite?
A zoisite é um mineral epídoto de silicato de cálcio e alumínio que ocorre em várias notáveis variedades gema, incluindo a tanzanite azul-violeta, a thulite rosa e a anyolite verde (com inclusões de rubi). Descoberta no século XIX nos Alpes, a zoisite corrente ocorre em rochas metamórficas e é extra
What is the hardness of Zoisite?
Zoisite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Zoisite?
Zoisite is primarily Various.
How much does Zoisite cost?
Zoisite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Zoisite?
Zoisite belongs to the Orthorhombic crystal system.