Verdelite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7,0 – 7,5
Specific Gravity
2,9 – 3,4
Refractive Index
1,614 – 1,666
Crystal System
Trigonal
Luster
Vitreous
Cleavage
Indistinct
Fracture
Sub-Conchoidal
Color
various
Birefringence
0,014
Dispersion
0,017
Pleochroism
Strong: dark green - yellow-green
Mohs Hardness
Mohs Hardness: 7,0 – 7,5
1 Soft10 Hard
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Verdelite
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
Routinely heat-treated to lighten the color - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 5
7 to 7.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
2.90 to 3.40Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
BrittleMichael O?Donoghue, Gems, Sixth Edition (2006)
IndistinctWalter Schumann, Gemstones of the world (2001)
Sub-ConchoidalArthur Thomas, Gemstones (2009)
1.614 to 1.666Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Uniaxial/-Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
0.014 to 0.040Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Strong: dark green - yellow-greenWalter Schumann, Gemstones of the world (2001)
0.017Walter Schumann, Gemstones of the world (2001)
GreenHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Transparent,Translucent,OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
VitreousArthur Thomas, Gemstones (2009)
TrigonalHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Prismatic to acicular crystalsMichael O?Donoghue, Gems, Sixth Edition (2006)
Verdelite information at mindat.org
Afghanistan
Glas (2002)
Brazil
Cassedanne and Roditi (1996)
Menezes (2009)
Mozambique
Henn and Bank (1997)
Henn and Bank (1997)
Schafer and Arlt (2000)
Sri Lanka
Tajikistan
Skrigitil (1996)
USA
Fisher et al. (1999)
Laurs (2001, 2002, 2004)
Freeman (2005)
About Verdelite
La verdelita es la variedad verde de la turmalina, cuyo color se debe a la presencia de hierro y en ocasiones cromo o vanadio. Sus tonalidades van del verde pálido al verde oscuro intenso, con los especímenes de color verde brillante o verde bosque siendo los más valorados. Los yacimientos más importantes se hallan en Brasil (Minas Gerais), África oriental (Tanzania, Mozambique) y Afganistán. Es una piedra muy popular en joyería de colores.
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Verdelite?
La verdelita es la variedad verde de la turmalina, cuyo color se debe a la presencia de hierro y en ocasiones cromo o vanadio. Sus tonalidades van del verde pálido al verde oscuro intenso, con los especímenes de color verde brillante o verde bosque siendo los más valorados. Los yacimientos más impor
What is the hardness of Verdelite?
Verdelite has a Mohs hardness of 7.0 to 7.5, making it excellent for use in jewelry.
What color is Verdelite?
Verdelite is primarily Various.
How much does Verdelite cost?
Verdelite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Verdelite?
Verdelite belongs to the Trigonal crystal system.