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  2. Collectible minerals
  3. Chrysoberyl

Collectible minerals - full range in stock "Chrysoberyl"

Chrysoberyl is a relatively rare mineral found mainly in granitic pegmatites. Often forms germination tees. Well-formed chrysoberyl crystals are a valuable collectible material, the value of which can be several times higher than its value in a piece of jewelry. Not being generally a precious stone, it has a precious variety - alexandrite.

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

Physical properties of Chrysoberyl

General
Category Oxide minerals
Formula
(repeating unit)		 BeAl2O4
IMA symbol Cbrl
Strunz classification 4.BA.05
Crystal system Orthorhombic
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space group Pbnm
Unit cell a = 5.481 Å,
b = 9.415 Å,
c = 4.428 Å; Z = 4
Identification
Color Various shades of green, emerald-green yellow, blue, brownish to greenish black, may be raspberry-red under incandescent light when chromian; colorless, pale shades of yellow, green, or red in transmitted light
Crystal habit Crystals tabular or short prismatic, prominently striated
Twinning Contact and penetration twins common, often repeated forming rosette structures
Cleavage Distinct on {110}, imperfect on {010}, poor on {001}
Fracture Conchoidal to uneven
Tenacity Brittle
Mohs scale hardness 8.5
Luster Vitreous
Streak White
Specific gravity 3.5–3.84
Optical properties Biaxial (+)
Refractive index nα=1.745 nβ=1.748 nγ=1.754
Pleochroism X = red; Y = yellow-orange; Z = emerald-green
2V angle Measured: 70°
References [2][3][4][5]
Major varieties
Alexandrite Color change; green to red
Cymophane Chatoyant
Chrysoberyl, Fluorite
Code: 4841
Chrysoberyl, Fluorite
Malyshevo, Middle Urals, RF
49*32*28mm

0.00 $ $65.00

Chrysoberyl
Code: 4793
Chrysoberyl
Malyshevo, Middle Urals, RF
34*31*11mm

0.00 $ $40.00

Chrysoberyl (color change and UV)
Code: 4318
Chrysoberyl (color change and UV)
Malyshevo, Middle Urals, RF
44*47*22mm

0.00 $ $116.67

Chrysoberyl (UV)
Code: 4320
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
41*27*16mm

0.00 $ $83.33

Chrysoberyl (color change and UV)
Code: 4321
Chrysoberyl (color change and UV)
Malyshevo, Middle Urals, RF
37*29*31mm

0.00 $ $98.33

Chrysoberyl (UV)
Code: 4322
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
43*32*22mm

0.00 $ $50.00

Chrysoberyl (UV)
Code: 3798
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
41*40*22mm

0.00 $ $163.33

Chrysoberyl (UV)
Code: 3799
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
36*31*24mm

0.00 $ $116.67

Chrysoberyl (UV)
Code: 3802
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
19*12*11mm

0.00 $ $50.00

Chrysoberyl (UV)
Code: 3803
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
22*14*11mm

0.00 $ $20.00

Chrysoberyl (UV)
Code: 3804
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
13*12*5mm

0.00 $ $13.33

Chrysoberyl (UV)
Code: 3806
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
14*12*5mm

0.00 $ $13.33

Chrysoberyl, Fluorite
Code: 3755
Chrysoberyl, Fluorite
Malyshevo, Middle Urals, RF
23*23*23mm

0.00 $ $26.67

Chrysoberyl, Fluorite
Code: 3756
Chrysoberyl, Fluorite
Malyshevo, Middle Urals, RF
22*15*13mm

0.00 $ $26.67

Chrysoberyl, Fluorite
Code: 3757
Chrysoberyl, Fluorite
Malyshevo, Middle Urals, RF
20*12*8mm

0.00 $ $26.67

Chrysoberyl, Muscovite
Code: 2726
Chrysoberyl, Muscovite
Malyshevo, Middle Urals, RF
29*27*16mm

0.00 $ $46.67

Chrysoberyl, Fluorite (UV)
Code: 25
Chrysoberyl, Fluorite (UV)
Malyshevo, Middle Urals, RF
31*19*11mm

0.00 $ $20.00

Be-Margarite, Chrysoberyl
Code: 950
Be-Margarite, Chrysoberyl
Malyshevo, Middle Urals, RF
42*29*21mm

0.00 $ $15.00

Chrysoberyl
Code: 2184
Chrysoberyl
Malyshevo, Middle Urals, RF
49*34*17mm

0.00 $ $196.67

Chrysoberyl (UV) archived
Code: 3801
Chrysoberyl (UV)
Malyshevo, Middle Urals, RF
37*32*26mm

0.00 $ $83.33

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