Ivory

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Physical & Optical Properties

Category Organic Gems
Mohs Hardness 2,0 – 3,0
Specific Gravity 1,7 – 2,0
Refractive Index 1,535 – 1,57
Crystal System Amorphous
Cleavage None
Color various
Pleochroism None

Mohs Hardness

Mohs Hardness: 2,0 – 3,0
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Ivory

Amazon Wide selection

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Treatments

Heated or dyed with tea to darken the color - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 7 Ivory has been imitated by many look-alike materials that include glass, plastic, bone and vegetable ivory. - Michael O�Donoghue, Gems, Sixth edition, 2006, p.665 2 to 3Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references 1.70 to 2.00Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references NoneWalter Schumann, Gemstones of the world (2001) 1.535 to 1.570Walter Schumann, Gemstones of the world (2001) More from other references NoneWalter Schumann, Gemstones of the world (2001) NoneWalter Schumann, Gemstones of the world (2001) NoneWalter Schumann, Gemstones of the world (2001) White, creamyWalter Schumann, Gemstones of the world (2001) More from other references Translucent,OpaqueWalter Schumann, Gemstones of the world (2001) More from other references Most ivory: bluish white to violet blue (SW weaker)Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Violet-blueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) AmorphousHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Ivory information at mindat.org

About Ivory

El marfil es el material orgánico duro, liso y blanco cremoso derivado principalmente de los colmillos de elefante, aunque el término se extiende a los dientes y defensas de hipopótamo, morsa, narval y jabalí. Valorado desde la antigüedad por su textura fina y su capacidad de ser tallado con precisión, el marfil fue utilizado ampliamente en joyería, objetos de arte y objetos decorativos en todas las culturas. El comercio de marfil de elefante es actualmente ilegal en la mayoría de los países para proteger a los elefantes africanos y asiáticos en peligro de extinción.

Jewelry Use

Durability 1/10

Science FYI Family

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Frequently Asked Questions

What is Ivory?
El marfil es el material orgánico duro, liso y blanco cremoso derivado principalmente de los colmillos de elefante, aunque el término se extiende a los dientes y defensas de hipopótamo, morsa, narval y jabalí. Valorado desde la antigüedad por su textura fina y su capacidad de ser tallado con precisi
What is the hardness of Ivory?
Ivory has a Mohs hardness of 2.0 to 3.0, making it relatively soft for use in jewelry.
What color is Ivory?
Ivory is primarily Various.
How much does Ivory cost?
Ivory falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Ivory?
Ivory belongs to the Amorphous crystal system.

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