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  3. Fluorite

Stone sphere balls - full range in stock "Fluorite"

Fluorite is a mineral named by Agricola in 1529. It has a very wide range of colors, zoning is characteristic. Colorless crystals are rare. A typical fluorescent mineral, from the name of which the term "fluorescence" itself comes. Another name for the mineral is "fluorspar", because. it contains fluorine, which, when fluorite is dissolved in sulfuric acid, forms hydrofluoric acid, which leaves indelible matte spots on glassware in which fluorite is dissolved. hydrofluoric acid dissolves glass.

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

Physical properties of Fluorite

General
Category Halide mineral
Formula
(repeating unit)		 CaF2
IMA symbol Flr
Strunz classification 3.AB.25
Crystal system Isometric
Crystal class Hexoctahedral (m3m)
H–M symbol: (4/m 3 2/m)
(cF12)
Space group Fm3m (No. 225)
Unit cell a = 5.4626 Å; Z = 4
Identification
Color Colorless, although samples are often deeply colored owing to impurities; Purple, lilac, golden-yellow, green, blue, pink, champagne, brown.
Crystal habit Well-formed coarse sized crystals; also nodular, botryoidal, rarely columnar or fibrous; granular, massive
Twinning Common on {111}, interpenetrant, flattened
Cleavage Octahedral, perfect on {111}, parting on {011}
Fracture Subconchoidal to uneven
Tenacity Brittle
Mohs scale hardness 4 (defining mineral)
Luster Vitreous
Streak White
Diaphaneity Transparent to translucent
Specific gravity 3.175–3.184; to 3.56 if high in rare-earth elements
Optical properties Isotropic; weak anomalous anisotropism
Refractive index 1.433–1.448
Fusibility 3
Solubility slightly water soluble and in hot hydrochloric acid
Other characteristics May be fluorescent, phosphorescent, thermoluminescent, and/or triboluminescent
Fluorite (sphere, UV)
Code: 3920
Fluorite (sphere, UV)
Naranskoe deposit, Buryatia, RF
71mm

0.00 $ $350.00

Bertrandite, Fluorite, Pyrite , Feldspar (sphere)
Code: 1425
Bertrandite, Fluorite, Pyrite , Feldspar (sphere)
Ermakovskoe deposit, Buryatia, RF
62mm

0.00 $ $198.33

Fluorite (sphere)
Code: 883
Fluorite (sphere)
Klichka village, Trans-Baikal Territory, RF
56mm

0.00 $ $96.67

Fluorite (sphere)
Code: 633
Fluorite (sphere)
Khuraiskoe field, Buryatia, RF
64mm

0.00 $ $116.67

Fluorite (sphere, UV) archived
Code: 3921
Fluorite (sphere, UV)
Abagaytuy, Buryatia, RF
81mm

0.00 $ $233.33

Fluorite (sphere) archived
Code: 555
Fluorite (sphere)
Solonechnoye deposit. Zabaykalsky Krai., RF
48mm

0.00 $ $65.00

Fluorite (sphere) archived
Code: 345
Fluorite (sphere)
Khuraiskoe field, Buryatia, RF
95mm

0.00 $ $320.00

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