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Peretaite

Pictures (14 Images total)

Peretait
Views (Image: 1264950266): 1974, Rating: 9.22
Peretait

Größe: 2,2 mm; Fundort: Pereta Mine, Pereta, Scansano, Toscana, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-01-31
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien
Peretait
Views (Image: 1321183420): 1807, Rating: 9
Peretait

Größe: 1,9 mm; Fundort: Pereta Mine, Pereta, Scansano, Toskana, Italien

Copyright: Enrico Bonacina
Contribution: Hg 2011-11-13
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien
Peretait
Views (Image: 1265018128): 1156
Peretait

Größe: 2,22 mm; Fundort: Pereta Mine, Pereta, Scansano, Toscana, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2010-02-01
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien
Peretait
Views (Image: 1217917241): 1163
Peretait

Größe: 1,1 mm; Fundort: Pereta Mine, Pereta, Scansano, Toscana, Italien

Copyright: Matteo Chinellato
Contribution: Hg 2008-08-05
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien
Peretait
Views (Image: 1328189764): 949
Peretait

Größe: 3,74 mm; Fundort: Pereta Mine, Pereta, Scansano, Toskana, Italien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2012-02-02
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien
Peretait
Views (Image: 1164481976): 550
Peretait

Bildbreite: 3 mm; Fundort Pereta Mine, Pereta, Scansano, Toscana, Italien

Copyright: Stephan Wolfsried
Contribution: Hg 2006-11-25
Locality: Pereta Mine / Pereta / Scansano / Grosseto, Provinz / Toskana (Toscana) / Italien

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3.50 - 4.00
Solubility +++ HCl
Crystal System monoklin, C2/c

Chemism

Chem­ical formula

CaSb43+O4(OH)2(SO4)2·2H2O

Chem­ical com­po­si­tion

Antimon, Calcium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 853.288362 u; Number of atoms in the formula: 29

Info

Empirical formula:

CaSb4O4(OH)2(SO4)2·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.71

6

20.69

1.0079470

6.0476820

Oxygen

O

30.00

16

55.17

15.9994300

255.9908800

Sulfur

S

7.52

2

6.90

32.0655000

64.1310000

Calcium

Ca

4.70

1

3.45

40.0784000

40.0784000

Antimony

Sb

57.08

4

13.79

121.7601000

487.0404000

Anal­y­sis wt%

Sb2O3 : 69.09, CaO : 6.44, SO3 : 17.62, H2O : 6.00 (Ref: American Mineralogist 80)

Strunz 9th edi­tion incl. updates

7.DF.45

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
F: mit großen und mittelgroßen Kationen
45:Peretait-Gruppe

Lapis Clas­sifica­tion

VI/D.12-010

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
12: Mittelgroße und sehr große Kationen

Clas­sifica­tion by Hölzel

7.BA.520

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
B: Sulfates (+Anions -Water)
A: Sulfates, C medium, medium + large
5: With Sb,Bi (+H2O)

Dana 8th edi­tion

31.06.04.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
06: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)5 (XO4)2 Zq·x(H2O)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

RI value α / ω / n

1.841

RI value β

1.841

RI value γ / ε

1.841

Ri mean

1.841

2V angle

Biaxial (+)102°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

24.641

Cell param­e­ters b (Å)

5.598

Cell param­e­ters c (Å)

10.180

Cell param­e­ters a/b or c/a

4.402

Cell param­e­ters c/b

1.819

Cell param­e­ters α

90°

Cell param­e­ters β

95.95

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1396.667

X-Ray Pow­der Diffrac­tion

12.19(100),
6.12(20),
5.45(20),
3.10(20),
3.06(70),
2.532(20),
2.451(30),
2.068(20)

XRD chart Peretaite

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)

3.50 - 4.00

VHN (Hard­ness Vick­ers)

180 (15g)

Density (g/cm³)

4.06 (berechnet)

4.058 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

Preface

Author (Name, Year)

Cipriani & Menchetti & Orlandi & Sabelli, 1980

References

American Mineralogist 65 (1980), 936

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Peretaite

CaSb43+O4(OH)2(SO4)2·2H2O

monoklin : 2/m : C2/c

7.DF.45

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Peretaite

CaSb43+O4(OH)2(SO4)2·2H2O

monoklin : 2/m : C2/c

VI/D.12-010

Vlodavetsite

Ca2Al[Cl|F|(SO4)2]·4H2O

tetragonal : 4/m : I4/m

VI/D.12-020

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Klebelsbergite

Sb43+O4(OH)2(SO4)

orthorhombisch : mm2 : Pca21

7.BA.500

Peretaite

CaSb43+O4(OH)2(SO4)2·2H2O

monoklin : 2/m : C2/c

7.BA.520

Coquandite

Sb3+6+xO8+x(SO4)(OH)x·(H2O)1-x {x = 0.3}

triklin : 1 : P1

7.BA.540

Cannonite

Bi2O(SO4)(OH)2

monoklin : 2/m : P21/c

7.BA.560

Pauflerite

VO(SO4)

orthorhombisch : mmm : Pnma

7.BA.580

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Devilline

CaCu4(SO4)2(OH)6·3H2O

monoklin : 2/m : P21/c

31.06.01.01

Lautenthalite

PbCu42+(OH)6(SO4)2·3H2O

monoklin : 2/m : P21/c

31.06.01.02

Serpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

31.06.02.01

Ktenasite

ZnCu4(SO4)2(OH)6·6H2O

monoklin : 2/m : P21/c

31.06.03.01

Christelite

Zn3Cu2[(OH)6|(SO4)2]·4H2O

triklin : 1 : P1

31.06.03.02

Peretaite

CaSb43+O4(OH)2(SO4)2·2H2O

monoklin : 2/m : C2/c

31.06.04.01

Campigliaite

Mn2+Cu4[(OH)6|(SO4)2]·4H2O

monoklin : 2 : C2

31.06.06.01

Niedermayrite

CdCu4[(OH)6|(SO4)2]·4H2O

monoklin : 2/m : P21/m

31.06.06.02

Orthoserpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

orthorhombisch : mm2 : Pca21

31.06.07.01

Rabejacite

Ca2[(UO2)4O4(SO4)2](H2O)8

triklin : 1 : P1

31.06.08.01

Other languages

German

Peretait

English

Peretaite

French

Peretaite

Spanish

Peretaíta

Russian

Перетаит

IMA Number

IMA 1979-068

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Peretait
Google-Bilder-Suche - search for: Peretait
Mineralogisch-Petrographisches-Institut Hamburg - search for: Peretait

English pages

Mindat - search for: Peretaite
Webmineral - search for:Peretaite
Handbook-of-Mineralogy - search for: Peretaite
RRUFF - Raman, XRD and other mineral data - search for: Peretaite
RRUFF - References and PDF downloads - search for: Peretaite
American-Mineralogist-Crystal-Structure-Database - search for: Peretaite
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Russian pages

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German pages

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