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  1. Index
  2. Fluorescent Minerals (UV)
  3. Zircon

Fluorescent Minerals (UV) "Zircon"

Zircon is an igneous mineral found mainly in crystals. Less common in other forms. Common in pegmatites. The main source of zirconium and hafnium. It has a precious red variety of hyacinth.

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

Physical properties of Zircon

General
Category Nesosilicates
Formula
(repeating unit)		 zirconium silicate (ZrSiO4)
IMA symbol Zrn
Strunz classification 9.AD.30
Crystal system Tetragonal
Crystal class Ditetragonal dipyramidal (4/mmm)
H-M symbol: (4/m 2/m 2/m)
Space group I41/amd (No. 141)
Unit cell a = 6.607(1), c = 5.982(1) [Å]; Z = 4
Identification
Color Reddish brown, yellow, green, blue, gray, colorless; in thin section, colorless to pale brown
Crystal habit tabular to prismatic crystals, irregular grains, massive
Twinning On {101}. Crystals shocked by meteorite impact show polysynthetic twins on {112}
Cleavage {110} and {111}
Fracture Conchoidal to uneven
Tenacity Brittle
Mohs scale hardness 7.5
Luster Vitreous to adamantine; greasy when metamict.
Streak White
Diaphaneity Transparent to opaque
Specific gravity 4.6–4.7
Optical properties Uniaxial (+)
Refractive index nω = 1.925–1.961
nε = 1.980–2.015, 1.75 when metamict
Birefringence δ = 0.047–0.055
Pleochroism Weak
Fusibility close to 2,550 °C depend on Hf,Th,U,H,etc... concentrations.
Solubility Insoluble
Other characteristics Fluorescent and Radioactive.svg Radioactive,
May form pleochroic halos,
Relief: high
Zircon
Code: 4249
Zircon
Cherry mountains, Chelyabinsk region, Southern Urals, RF
46*44*30mm

0.00 $ $16.00

Zircon
Code: 4083
Zircon
Cherry mountains, Chelyabinsk region, Southern Urals, RF
42*27*23mm

0.00 $ $16.00

Zircon (UV)
Code: 3361
Zircon (UV)
Mount Vavnbed, Lovozero, Kola Peninsula, RF
53*38*33mm

0.00 $ $63.33

Zircon archived
Code: 4188
Zircon
Cherry mountains, Chelyabinsk region, Southern Urals, RF
50*44*24mm

0.00 $ $25.00

Zircon archived
Code: 3351
Zircon
Cherry mountains, Chelyabinsk region, Southern Urals, RF
41*29*21mm

0.00 $ $24.00

Zircon archived
Code: 3352
Zircon
Cherry mountains, Chelyabinsk region, Southern Urals, RF
40*27*23mm

0.00 $ $16.00

Zircon (UV) archived
Code: 3362
Zircon (UV)
Mount Vavnbed, Lovozero, Kola Peninsula, RF
50*37*25mm

0.00 $ $40.00

Zircon (UV) archived
Code: 3363
Zircon (UV)
Mount Vavnbed, Lovozero, Kola Peninsula, RF
51*41*30mm

0.00 $ $20.00

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