Scapolite

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Physical & Optical Properties

Mohs Hardness 5,5 – 6,0
Specific Gravity 2,58 – 2,74
Refractive Index 1,54 – 1,579
Crystal System Tetragonal
Luster Vitreous
Cleavage Good
Fracture Conchoidal
Color various
Birefringence 0,006
Dispersion 0,017
Pleochroism Pink stones - distinct: colorless - pink; Yellow stones - distinct: colorless-(yellowish) - yellow; Violet/purple - strong: violet-blue - dark blue

Mohs Hardness

Mohs Hardness: 5,5 – 6,0
1 Soft10 Hard

Crystal System

a b c Tetragonal a = b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Budget (< $50/ct)

Treatments

5.5 to 6Walter Schumann, Gemstones of the world (2001) More from other references 2.58 to 2.74Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references BrittleWalter Schumann, Gemstones of the world (2001) GoodWalter Schumann, Gemstones of the world (2001) More from other references ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references 1.540 to 1.579Walter Schumann, Gemstones of the world (2001) More from other references Uniaxial/-Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references 0.006 to 0.037Walter Schumann, Gemstones of the world (2001) More from other references Pink stones - distinct: colorless - pink; Yellow stones - distinct: colorless-(yellowish) - yellow; Violet/purple - strong: violet-blue - dark blueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) Violet - strong pleochroism: violet-blue - dark-blueMore from other references 0.017Arthur Thomas, Gemstones (2009) Yes, star 4 (rare). Common pink, violet, colorless cat's eyesHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Yellow, rose-pink, violet, colourlessUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references Various colors, color centers related to irradiation of Cl, CO23 or SO24 - groups present in the large voids of the crystal structureW. William Hanneman, Pragmatic Spectroscopy For Gemologists (2011) TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references VitreousArthur Thomas, Gemstones (2009) Pink: orange, pink; Yellow: violet, blue-redWalter Schumann, Gemstones of the world (2001) More from other references There are variable responses with some phosphorescence reportedMichael O?Donoghue, Gems, Sixth Edition (2006) More from other references Yellow specimens from Myanmar give yellow to orange and some East African yellow stones show a very bright yellow-greenMichael O?Donoghue, Gems, Sixth Edition (2006) More from other references There are variable responses with some phosphorescence reportedMichael O?Donoghue, Gems, Sixth Edition (2006) TetragonalHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references Prismatic, usually with flat pyramidal terminations; masses are also known.Michael O?Donoghue, Gems, Sixth Edition (2006) More from other references Occurs in regionally metamorphosed rocks, particularly in marbles.Michael O?Donoghue, Gems, Sixth Edition (2006) Hollow tubes, needle-like crystals - Gemmological Tables, Ulrich Henn and Claudio C. Milisenda, p 8 Scapolite information at mindat.org Madagascar&nbsp; Madagascar, extraLapis, English No.1, 2001, p. 44 Myanmar&nbsp; Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 446 Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok [var: Meionite] Ted Themelis (2008) Gems & mines of Mogok Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 446 Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Ted Themelis (2008) Gems & mines of Mogok Peru&nbsp; J. Hyrsl (2012) Gemstones of Peru, p. 71 Tajikistan&nbsp; Zolotarev (1993) Tanzania&nbsp; Barot et al. (1995) Gemstones of the world, W.Schumann, 2001, p.188 Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 446

About Scapolite

La escapolita es un mineral de silicato de aluminio que puede presentarse en colores amarillo, rosa, morado, incoloro y gris. Algunas variedades muestran fluorescencia llamativa bajo luz ultravioleta. Las variedtas con chatoyance se tallan en cabujón para realzar el efecto ojo de gato. Se forma en rocas metamórficas y se encuentra en Myanmar, Tanzania, Madagascar y Brasil. Aunque no es ampliamente conocida por el público general, resulta muy atractiva para los coleccionistas.

Jewelry Use

Durability 4/10

Science FYI Family

Frequently Asked Questions

What is Scapolite?
La escapolita es un mineral de silicato de aluminio que puede presentarse en colores amarillo, rosa, morado, incoloro y gris. Algunas variedades muestran fluorescencia llamativa bajo luz ultravioleta. Las variedtas con chatoyance se tallan en cabujón para realzar el efecto ojo de gato. Se forma en r
What is the hardness of Scapolite?
Scapolite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Scapolite?
Scapolite is primarily Various.
How much does Scapolite cost?
Scapolite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Scapolite?
Scapolite belongs to the Tetragonal crystal system.

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