https://www.edelsteine-neuburg.de
https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://www.mineralbox.biz
'._('einklappen').'
 

Franzinite

Pictures (5 Images total)

Franzinit
Views (File:
1331045024
): 1423
Franzinit
Größe: 2,87 mm; Fundort: Valentano, Viterbo, Provinz, Latium (Lazio), Region, Italien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Valentano
Mineral: Franzinite
Image: 1331045024
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Franzinit

Größe: 2,87 mm; Fundort: Valentano, Viterbo, Provinz, Latium (Lazio), Region, Italien
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2012-03-06
Locality: Valentano / Viterbo, Provinz / Latium (Lazio), Region / Italien
Franzinit xx
Views (File:
1162130958
): 1030
Franzinit xx
als typisch weiße blockige xx; Fundort: Casa Collina, Pitigliano, Grosseto, Toskana, Italien; Bildbreite: 8 mm
Copyright: loismin; Contribution: loismin
Location: Italien/Toskana (Toscana)/Grosseto, Provinz/Pitigliano/Case Collina (Toscopomici Steinbruch)
Mineral: Franzinite
Image: 1162130958
Rating: 5.5 (votes: 2)
License: Usage for Mineralienatlas project only
Franzinit xx

als typisch weiße blockige xx; Fundort: Casa Collina, Pitigliano, Grosseto, Toskana, Italien; Bildbreite: 8 mm
Copyright: loismin
Contribution: loismin 2006-10-29
Locality: Case Collina (Toscopomici Steinbruch) / Pitigliano / Grosseto, Provinz / Toskana (Toscana) / Italien
Franzinit
Views (File:
1235599158
): 1194
Franzinit
Case Collina (Toscopomici Steinbruch), Pitigliano, Grosseto, Italien; BB 5 mm; undeutlicher weißer Kristall
Copyright: Münchener Micromounter; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A003066, Donator: Klaus Fleck
Location: Italien/Toskana (Toscana)/Grosseto, Provinz/Pitigliano/Case Collina (Toscopomici Steinbruch)
Mineral: Franzinite
Image: 1235599158
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Franzinit (SNr: A003066)

Case Collina (Toscopomici Steinbruch), Pitigliano, Grosseto, Italien; BB 5 mm; undeutlicher weißer Kristall
Collection: Lithothek der Münchener Micromounter
Copyright: Münchener Micromounter
Contribution: Münchener Micromounter 2009-02-25
Locality: Case Collina (Toscopomici Steinbruch) / Pitigliano / Grosseto, Provinz / Toskana (Toscana) / Italien
Franzinit
Views (File:
1278141950
): 803
Franzinit
Bildbreite: 0,5 mm, Fundort: Capranica, Lago di Vico, Viterbo, Latium, Italien
Copyright: Luigi Mattei; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Viterbo, Provinz/Vicosee (Lago di Vico)/Ronciglione/Capranica
Mineral: Franzinite
Image: 1278141950
License: Usage for Mineralienatlas project only
Franzinit

Bildbreite: 0,5 mm, Fundort: Capranica, Lago di Vico, Viterbo, Latium, Italien
Copyright: Luigi Mattei
Contribution: thdun5 2010-07-03
Locality: Capranica / Ronciglione / Vicosee (Lago di Vico) / Viterbo, Provinz / Latium (Lazio), Region / Italien
Franzinit
Views (File:
1408015985
): 720
Franzinit
Bildbreite: 2,5 mm; Fundort: Anguillara, Bracciano See, Rom, Provinz, Latium (Lazio), Region, Italien
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Italien/Latium (Lazio), Region/Rom, Provinz/Bracciano See/Anguillara
Mineral: Franzinite
Image: 1408015985
License: Usage for Mineralienatlas project only
Franzinit

Bildbreite: 2,5 mm; Fundort: Anguillara, Bracciano See, Rom, Provinz, Latium (Lazio), Region, Italien
Copyright: Stephan Wolfsried
Contribution: Hg 2014-08-14
Locality: Anguillara / Bracciano See / Rom, Provinz / Latium (Lazio), Region / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß
Streak color weiß
Lustre Glasglanz Matt
Hardness (Mohs) 5
Crystal System trigonal, P321

Chemism

Chemical formula

(Na,K)6Ca2[(SO4)2|Al6Si6O24]·0.5H2O

Chemical composition

Aluminium, Calcium, Natrium, Silicium, Kalium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 1157.7810621 u; Number of atoms in the formula: 55.5

Info

Empirical formula:

(Na0.75K0.25)6Ca2[(SO4)2Al6Si6O24]·0.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.09

1

1.80

1.0079470

1.0079470
Oxygen

O

44.91

32.5

58.56

15.9994300

519.9814750
Sodium

Na

8.94

4.5

8.11

22.9897702

103.4539659
Aluminium

Al

13.98

6

10.81

26.9815382

161.8892292
Silicon

Si

14.55

6

10.81

28.0855300

168.5131800
Sulfur

S

5.54

2

3.60

32.0655000

64.1310000
Potassium

K

5.07

1.5

2.70

39.0983100

58.6474650
Calcium

Ca

6.92

2

3.60

40.0784000

80.1568000

Analysis wt%

SiO2 : 32.44, Al2O3 : 25.21, CaO : 12.08, Na2O : 11.50, K2O : 4.24, SO3 : 10.65, CO2 : 1.54, H2O : 1.88 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 77)

Strunz 9th edition incl. updates

9.FB.05

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
B: Gerüstsilikate (Tektosilicates) mit weiteren [Anionen]
05:Cancrinit-Gruppe

Lapis Classification

VIII/J.09-080

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
9: Mit tetraederfremden Anionen; Cancrinit-Gruppe

Classification by Hölzel

9.FE.650

9: SILICATES
F: Tektosilicates
E: Hexagonal or trigonal with other Anions
6: Afghanite-Group - trigonal, axis a~~12A and c=n*~~5A, n=1-5

Dana 8th edition

76.02.05.06

76: Tektosilicates Tectosilicate Al-Si Framework
02: Tektosilicates Tectosilicate Al-Si Framework Feldspathoids and related species
05: Cancrinite group

IMA status

anerkannt 1977

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß

Streak color

weiß

Lustre

Glasglanz Matt

max. Birefringence

0.002
Birefringence chart\! Franzinite title=Birefringence chart Franzinite

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

1.510

RI value γ / ε

1.512

Ri mean

1.511

2V angle

Uniaxial (+)

Crystallography

Crystal System

trigonal

Class (H-M)

32

Space Group number

150

Space Group

P321

Cell parameters a (Å)

12.884

Cell parameters b (Å)

-

Cell parameters c (Å)

26.580

Cell parameters a/b or c/a

2.063

Cell parameters c/b

-

Z

5

Volumne (ų)

3821.088

X-Ray Powder Diffraction

3.809(60),
3.725(100),
3.586(50),
3.562(60),
3.302(30),
3.053(20),
2.662(40),
2.650(20)
XRD chart Franzinite

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)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.49 (gemessen)

2.516 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Grosseto, Provinz/Pitigliano/Case Collina (Toscopomici Steinbruch)

Preface

Author (Name, Year)

Merlino & Orlandi, 1977

References

Neues Jahrbuch für Mineralogie, Monatshefte (1977), 163

Other languages

German

Franzinit

Spanish

Franzinita

English

Franzinite

French

Franzinite

Russian

Францинит

CNMNC (IMA)-Number

IMA 1976-020

CNMNC symbol

Symbol

Frz

IDs

GUSID (Global unique identifier short form) JzvF-46wh0y4OpYUNq1G6Q
GUID (Global unique identifier) FBC53B27-B08E-4C87-B83A-961436AD46E9
Database ID 1286