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

Alloriite

Pictures (3 Images total)

Alloriit
Views (File:
1344810701
): 858
Alloriit
Kristallgröße: 0,15 mm, Fundort: Mt Cavalluccio, Sacrofano Caldera, Latium, Italien
Copyright: Luigi Mattei; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio
Mineral: Alloriite
Image: 1344810701
License: Usage for Mineralienatlas project only
Alloriit

Kristallgröße: 0,15 mm, Fundort: Mt Cavalluccio, Sacrofano Caldera, Latium, Italien

Copyright: Luigi Mattei
Contribution: thdun5 2012-08-13
Locality: Mt. Cavalluccio / Sacrofano-Caldera / Sacrofano / Rom, Provinz / Latium (Lazio), Region / Italien
blockiger farbloser Alloriit
Views (File:
1598449882
): 174
blockiger farbloser Alloriit
Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio, BB = 1,9 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A043047, Donator: anatase2
Location: Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio
Mineral: Alloriite
Image: 1598449882
License: Usage for Mineralienatlas project only
blockiger farbloser Alloriit (SNr: A043047)

Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio, BB = 1,9 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2020-08-26
Locality: Mt. Cavalluccio / Sacrofano-Caldera / Sacrofano / Rom, Provinz / Latium (Lazio), Region / Italien
Alloriit
Views (File:
1271681273
): 5833
Alloriit
Bildbreite: 2 mm, Fundort: Mt Cavalluccio, Sacrofano Caldera, Latium, Italien
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio
Mineral: Alloriite
Image: 1271681273
Rating: 2.5 (votes: 2)
License: Usage for Mineralienatlas project only
Alloriit

Bildbreite: 2 mm, Fundort: Mt Cavalluccio, Sacrofano Caldera, Latium, Italien

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-19
Locality: Mt. Cavalluccio / Sacrofano-Caldera / Sacrofano / Rom, Provinz / Latium (Lazio), Region / Italien

Collectors Summary

Color farblos, oder blassviolett
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5
Cleavages unvollkommen (10-10)
Fracture muschelig
Crystal System trigonal, P31c
Morphology Bildet kurzprismatische, isometrische, sowie taflige Kristalle bis 1,5x2,0 mm.

Chemism

Chemical formula

(Na,K,Ca)24(Na,Ca)4Ca4(Si,Al)48O96(SO4)4(SO3,CO3)2(OH,Cl)2(H2O,OH)4

Chemical composition

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

Unit weight: 4497.55692638 u; Number of atoms in the formula: 218.5

Info

Empirical formula:

(Na0.6K0.3Ca0.1)24(Na0.75Ca0.25)4Ca4(Si0.75Al0.25)48O96(SO4)4((SO3)0.75(CO3)0.25)2((OH)0.75Cl0.25)2((H2O)0.75(OH)0.25)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.19

8.5

3.89

1.0079470

8.5675495

Carbon

C

0.13

0.5

0.23

12.0107800

6.0053900

Oxygen

O

43.93

123.5

56.52

15.9994300

1,975.9296050

Sodium

Na

8.89

17.4

7.96

22.9897702

400.0220015

Aluminium

Al

7.20

12

5.49

26.9815382

323.7784584

Silicon

Si

22.48

36

16.48

28.0855300

1,011.0790800

Sulfur

S

3.92

5.5

2.52

32.0655000

176.3602500

Chlorine

Cl

0.39

0.5

0.23

35.4532000

17.7266000

Potassium

K

6.26

7.2

3.30

39.0983100

281.5078320

Calcium

Ca

6.59

7.4

3.39

40.0784000

296.5801600

Analysis wt%

SO3 : 8.92, SiO2 : 34.64, CO2 : 0.70, Al2O3 : 26.45, CaO : 6.23, Na2O : 13.55, K2O : 6.67, H2O : 2.10 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2007)

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.09-048

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

Classification by Hölzel

9.FE.640

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

IMA status

anerkannt 2006

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, oder blassviolett

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.002

Birefringence chart\! Alloriite title=Birefringence chart Alloriite

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

1.497

RI value γ / ε

1.499

Ri mean

1.498

2V angle

Uniaxial (+)

Absorption

E > O

Pleochroism

E = blassrosa, O = blass rosa gelb

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

159

Space Group

P31c

Cell parameters a (Å)

12.892

Cell parameters b (Å)

-

Cell parameters c (Å)

21.340

Cell parameters a/b or c/a

1.655

Cell parameters c/b

-

Z

1

Volumne (ų)

3071.607

X-Ray Powder Diffraction

11.3(70), 4.85(90), 4.03(60), 3.76(80), 3.68(70), 3.33(100), 2.795(60), 2.694(70)

XRD chart Alloriite

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

Morphology

Bildet kurzprismatische, isometrische, sowie taflige Kristalle bis 1,5x2,0 mm.

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)

2.371 (berechnet)

2.431 ( ρ calc. Mineralienatlas )

Cleavages

unvollkommen (10-10)

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Italien/Latium (Lazio), Region/Rom, Provinz/Sacrofano/Sacrofano-Caldera/Mt. Cavalluccio

Type material

A. E. Fersman Mineralogical Museum, Academy of Sciences, Moskau, Russland

Collection number of type material

3459/1

Preface

Name from

Roberto Allori (Amateurmineraloge und Sammler)

Additional Information

Das Sulfit-Analogon zu Alloriit wurde beschrieben, jedoch nicht als neues Mineral gelistet.

N. V. Chukanov, N. V. Zubkova, I. V. Pekov, G. Giester, D. Yu. Pushcharovsky: Sulfite Analogue of Alloriite from Sacrofano, Latium, Italy: Crystal Chemistry and Specific Features of Genesis. Geology of Ore Deposits Vol. 63, Nr. 8 (2021) S. 793–804.

References

Mineralien Welt 04/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

Zapiski Rossiyskogo Mineralogicheskogo Obshchetstva 136(1) (2007), 82

Doklady Akademii Nauk 415(2) (2007), 242

Other languages

German

Alloriit

English

Alloriite

Russian

Аллориит

CNMNC (IMA)-Number

IMA 2006-020

CNMNC symbol

Symbol

Aor