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Paradocrasite (Paradocrasit)

Collectors Summary

Color leuchtend weiß
Streak color metallic
Hardness (Mohs) 3.5
Solubility +++ HNO3, + HCl
Crystal System monoklin, C2

Chemism

Chem­ical formula

Sb2(Sb,As)2

Chem­ical com­po­si­tion

Antimon, Arsen

Unit weight: 463.621151 u; Number of atoms in the formula: 4

Info

Empirical formula:

Sb2(Sb0.75As0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Arsenic

As

8.08

0.5

12.50

74.9216020

37.4608010

Antimony

Sb

91.92

3.5

87.50

121.7601000

426.1603500

Anal­y­sis wt%

Sb : 82.90, As : 18.60 (Ref: American Mineralogist 71)

Strunz 9th edi­tion incl. updates

1.CA.15

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
C: Halbmetalle (Metalloide) und Nichtmetalle
A: Arsengruppen-Elemente
15:Paradocrasit-Gruppe

Lapis Clas­sifica­tion

I/B.01-060

I: ELEMENTE
B: Halbmetalle und Nichtmetalle
1: Arsen-Gruppe

Clas­sifica­tion by Hölzel

1.CA.220

1: ELEMENTS
C: Metalloides (As,Sb,Bi)

Dana 8th edi­tion

01.03.03.01

01: Native Elements and Alloys
03: Native Elements with semi-metallic and non-metallic elements

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

leuchtend weiß

Streak color

metallic

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2

Space Group number

5

Space Group

C2

Cell param­e­ters a (Å)

7.252

Cell param­e­ters b (Å)

4.172

Cell param­e­ters c (Å)

4.431

Cell param­e­ters a/b or c/a

1.738

Cell param­e­ters c/b

1.062

Cell param­e­ters α

90°

Cell param­e­ters β

123.13

Cell param­e­ters γ

90°

Z

1

Volumne (ų)

112.267

X-Ray Pow­der Diffrac­tion

3.72(50),
3.05(100),
2.219(80),
2.093(80),
1.903(30),
1.855(30),
1.720(70),
1.518(50)

XRD chart Paradocrasite

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

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3.5

VHN (Hard­ness Vick­ers)

118 (100g)

Density (g/cm³)

6.52

6.857 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3, + HCl

Preface

Author (Name, Year)

Leonard & Mead & Finney, 1971

References

American Mineralogist 56 (1971), 1127

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

Paradocrasite

Sb2(Sb,As)2

monoklin : 2 : C2

1.CA.15

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

Arsenic

As

trigonal : 3m : R3m

I/B.01-010

Stibarsen

SbAs

trigonal : 3m : R3m

I/B.01-020

Antimony

Sb

trigonal : 3m : R3m

I/B.01-030

Bismuth

Bi

trigonal : 3m : R3m

I/B.01-040

Arsenolamprite

As

orthorhombisch : mmm : Bmab

I/B.01-050

Pararsenolamprite

As

orthorhombisch : mm2 : Pmn21, P21nm

I/B.01-055

Paradocrasite

Sb2(Sb,As)2

monoklin : 2 : C2

I/B.01-060

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

Antimony

Sb

trigonal : 3m : R3m

1.CA.200

Stibarsen

SbAs

trigonal : 3m : R3m

1.CA.210

Paradocrasite

Sb2(Sb,As)2

monoklin : 2 : C2

1.CA.220

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

Arsenic

As

trigonal : 3m : R3m

01.03.01.01

Antimony

Sb

trigonal : 3m : R3m

01.03.01.02

Stibarsen

SbAs

trigonal : 3m : R3m

01.03.01.03

Bismuth

Bi

trigonal : 3m : R3m

01.03.01.04

Stistaite

SnSb

01.03.01.05

Arsenolamprite

As

orthorhombisch : mmm : Bmab

01.03.02.01

Pararsenolamprite

As

orthorhombisch : mm2 : Pmn21, P21nm

01.03.02.02

Paradocrasite

Sb2(Sb,As)2

monoklin : 2 : C2

01.03.03.01

Selenium

Se

trigonal : 32 : P3121

01.03.04.01

Tellurium

Te

trigonal : 32, 32 : P3221, P3121

01.03.04.02

Rosickýite

S

monoklin : 2/m : P2/c

01.03.05.02

Diamond

C

kubisch : m3m : Fd3m

01.03.06.01

Lonsdaleite

C

hexagonal : 6/mmm : P63/mmc

01.03.06.03

Chaoite

C

hexagonal : 6/mmm : P6/mmm

01.03.06.04

Silicon

Si

kubisch : m3m : Fd3m

01.03.07.01

Sinoite

Si2N2O

orthorhombisch : mm2 : Cmc21

01.03.09.01

Other languages

German

Paradocrasit

Spanish

Paradocrasita

English

Paradocrasite

French

Paradocrasite

IMA Number

IMA 1969-011

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

German pages

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

English pages

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

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Paradocrasit
Crystal-Treasure.com - search for: Paradocrasit
Bosse - search for: Paradocrasit

Locations with GPS information




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