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Fluorvesuvianite

Pictures (1 Images total)

Fluorvesuvian
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Fluorvesuvian
strahlige Kristalle von Fluorvesuvian, Lupikko Mine, Pitkäranta, Ladoga, Karelien, Russland; BH ~ 2,5 cm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Karelien, Republik/Ladogasee/Pitkäranta Distrikt/Lupikko Mine
Mineral: Fluorvesuvianite
Image: 1584723032
License: Usage for Mineralienatlas project only
Fluorvesuvian

strahlige Kristalle von Fluorvesuvian, Lupikko Mine, Pitkäranta, Ladoga, Karelien, Russland; BH 2,5 cm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-20
Locality: Lupikko Mine / Pitkäranta Distrikt / Ladogasee / Karelien, Republik / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos bis seidenweiß
Streak color weiß
Lustre Glasglanz bis Seidenglanz
Hardness (Mohs) 6
Cleavages keine
Crystal System tetragonal, P4/nnc

Chemism

Chemical formula

Ca19(Al,Mg,Fe2+)13(SiO4)10(Si2O7)4O(F,OH)9

Chemical composition

Aluminium, Calcium, Eisen, Magnesium, Silicium, Fluor, Sauerstoff, Wasserstoff

Unit weight: 2915.3401221475 u; Number of atoms in the formula: 130.25

Info

Empirical formula:

Ca19(Al0.6Mg0.3Fe0.1)13(SiO4)10(Si2O7)4O(F0.75(OH)0.25)9

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.08

2.25

1.73

1.0079470

2.2678808

Oxygen

O

39.10

71.25

54.70

15.9994300

1,139.9593875

Fluorine

F

4.40

6.75

5.18

18.9984033

128.2392219

Magnesium

Mg

3.25

3.9

2.99

24.3050600

94.7897340

Aluminium

Al

7.22

7.8

5.99

26.9815382

210.4559980

Silicon

Si

17.34

18

13.82

28.0855300

505.5395400

Calcium

Ca

26.12

19

14.59

40.0784000

761.4896000

Iron

Fe

2.49

1.3

1.00

55.8452000

72.5987600

Analysis wt%

Ø SiO2 : 36.60, Al2O3 : 17.90, MgO : 1.90, FeO : 2.80, CaO : 36.10, F : 4.60, H2O : 0.50 (Ref: Canadian Mineralogist 2003)

Strunz 9th edition incl. updates

9.BG.35

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
G: Gruppen(Soro)-Silikate mit gemischten SiO4 und Si2O7 Gruppen; Kationen in oktahedraler [6] und größerer Koordination
35:Vesuvian-Gruppe

Lapis Classification

VIII/C.26-005

VIII: SILIKATE
C: Gruppensilikate
26: Mischstrukturen mit [SiO4] 4--Inseln und [Si2O7] 6--Gruppen

Classification by Hölzel

9.BO.230

9: SILICATES
B: Sorosilicates
O: Yoshimuraite-Group

Dana 8th edition

58.02.04.03

58: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups
02: Sorosilicates Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n=1,2)
04: Vesuvianite Group

IMA status

anerkannt 2000

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Vesuvianite group

Optical Properties

Color

farblos bis seidenweiß

Streak color

weiß

Lustre

Glasglanz bis Seidenglanz

max. Birefringence

0.003

Birefringence chart\! Fluorvesuvianite title=Birefringence chart Fluorvesuvianite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.702

RI value γ / ε

1.699

Ri mean

1.701

2V angle

Uniaxial (-)

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

126

Space Group

P4/nnc

Cell parameters a (Å)

15.516

Cell parameters b (Å)

-

Cell parameters c (Å)

11.772

Cell parameters a/b or c/a

0.759

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

2834.065

X-Ray Powder Diffraction

10.93(20),
4.74(20),
3.465(30),
3.040(30),
2.945(30),
2.743(90),
2.589(50),
2.453(100)

XRD chart Fluorvesuvianite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6

VHN (Hardness Vickers)

730 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.43

3.416 ( ρ calc. Mineralienatlas )

Cleavages

keine

Tenacity

spröde

Preface

Associations

Sphalerit, Klinochlor

Name from

Der Name bezieht sich auf die Verwandschaft zu Vesuvian

References

Canadian Mineralogist 41 (2003), 1371-1380.

American Mineralogist 89 (2004), 1575.

Lapis (2004) 29(3), 40.

IMA group assignments


 
 
Ca19Al(Al10Mg2)Si18O69(OH)9
tetragonal
P4/n

 
 
Ca19Cu2+(Al10Mg2)Si18O68(OH)10
tetragonal
P4/n

 
 
Ca19(Al,Mg,Fe2+)13(SiO4)10(Si2O7)4O(F,OH)9
tetragonal
P4/nnc

 
 
Ca19Fe2+Al4(Fe3+,Mg,Al)8(☐,B)4BSi18O69(O,OH)9
tetragonal
P4/nnc

 
 
Ca19Mg(Al10Mg2)Si18O68(OH)10
tetragonal
P4/n

 
 
Ca11(Ce,H2O,Ca)8Mg(Al,Fe)4(Mg,Ti,Fe3+)8[Si2O7]4[(SiO4)8(H4O4)2](OH)9
tetragonal
P4/nnc

 
 
Ca19(Mg,Mn2+)2(Al,Mn3+,Fe3+)10Mn3+[O|(OH)9|(SiO4)10|(Si2O7)4]
tetragonal
P4/n

 
 
Ca19Fe3+Al4(Mg4Al4)Si18O67(OH)11
tetragonal
P4/nnc

 
 
(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10
tetragonal
P4/nnc

 
 
Ca19(Al,Mg,Fe,Ti)13(B,Al)3.5-5[(O,OH)10|(SiO4)10|(Si2O7)4]
tetragonal
P4/nnc

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Actuality: 26. Nov 2022 - 00:31:50

Other languages

German

Fluorvesuvianit

Spanish

Fluorvesuvianita

English

Fluorvesuvianite

French

Fluorvesuvianite

Russian

Фторвезувиан

Simplified Chinese

氟符山石

Alternative Name

German

Fluorvesuvian

CNMNC (IMA)-Number

IMA 2000-037

CNMNC symbol

Symbol

Fves

Locations with GPS information