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

Stone sphere balls - full range in stock "Eudialyte"

Eudialyte is a relatively rare mineral of igneous origin. On the Kola Peninsula, it is also called "Lappish blood" according to the belief of the local people - the Sami. It rarely forms crystals, occurring mainly in the form of continuous masses. The best examples of eudialyte have a deep crimson color and are translucent in thin plates. Eudialyte is often used as an ornamental material.

You can see eudialyte stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Eudialyte

Category Cyclosilicate
(repeating unit)
IMA symbol Eud
Strunz classification 9.CO.10
Crystal system Trigonal
Crystal class Hexagonal scalenohedral (3m)
H-M symbol: (3 2/m)
Space group R3m
Unit cell a = 14.31, c = 30.15 [Å]; Z = 12
Color Red, magenta, brown; also blue and yellow
Crystal habit Crystals short rhombohedral to long prismatic, granular, irregular masses
Cleavage Distinct on {0001} imperfect on {1120}
Fracture Uneven
Tenacity Brittle
Mohs scale hardness 5 - 6
Luster Vitreous
Streak White
Diaphaneity Transparent to translucent
Specific gravity 2.74–3.10
Optical properties Uniaxial (+/-)
Refractive index nω = 1.606–1.610 nε = 1.610–1.613
Birefringence δ = 0.004
Pleochroism Weak: O= colorless, pale yellow, pink; E= pink to colorless
Solubility H2SO4

Code: 4724
Marchenko Peak, Khibiny, Kola Peninsula, RF

0.00 $ $265.00

Code: 4725
Marchenko Peak, Khibiny, Kola Peninsula, RF

0.00 $ $186.67

Code: 1153
Marchenko Peak, Khibiny, Kola Peninsula, RF

0.00 $ $208.50

Code: 1781
Marchenko Peak, Khibiny, Kola Peninsula, RF

0.00 $ $146.67

Code: 1257
Marchenko Peak, Khibiny, Kola Peninsula, RF

0.00 $ $98.33

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