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Diameter, mm (1mm - 0,039inch)

Collectible minerals - full range in stock "Grossular"

Grossular is a mineral, a calcium-aluminum variety of the mineral garnet. It was opened in Russia, in Yakutia. It has the following varieties:

     Hessonite - brown, yellow,
     Rosolite - pink
     Tsavorite - green
     Hydrogrossular is the unifying name for water-bearing garnets.
You can see grossular stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Grossular

Category Nesosilicate
(repeating unit)
IMA symbol Grs
Strunz classification 9.AD.25
Crystal system Cubic
Crystal class Hexoctahedral (m3m)
H-M Symbol: (4/m 3 2/m)
Space group Ia3d
Color light to dark green, light to dark yellow to reddish brown, brown, orange, red, yellow, green, white, occasionally translucent to opaque pink. It is also but rarely found in colorless form
Cleavage none
Fracture conchoidal to uneven
Mohs scale hardness 6.5 to 7
Luster greasy to vitreous
Streak Brown
Specific gravity 3.61 (+.15 -.04)
Polish luster vitreous
Optical properties Single refractive, often anomalous double refractive[2]
Refractive index 1.740 (+.12 -.04)
Birefringence none
Pleochroism none
Dispersion .028
Ultraviolet fluorescence near colorless to light green – inert to weak orange in longwave and weak yellow-orange in shortwave; yellow – inert to weak orange in longwave and shortwave[2]
Absorption spectra Hessonite sometimes shows bands at 407 and 430nm
Major varieties
Hessonite yellow-red to reddish-orange
Tsavorite intense green to yellowish green
Leuco-garnet transparent and colorless[3]
Rosolite translucent to opaque pink grossularite crystals in marble from Mexico
Code: 4491
Bazhenovskoye field, Middle Urals, RF

0.00 $ $20.00

Code: 2619
Akhtaranda river, Vilyui, Yakutia, RF

0.00 $ $15.00

Code: 658
Akhtaranda river, Vilyui, Yakutia, RF

0.00 $ $8.00

Code: 77
Dashkesan, Azerbaijan

0.00 $ $193.33

Code: 3819
Akhtaranda river, Vilyui, Yakutia, RF

0.00 $ $22.33

Code: 2467
Akhtaranda river, Vilyui, Yakutia, RF

0.00 $ $22.33

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