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Juangodoyite (Juangodoyit)

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dunkelblauer Juangodoyit
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dunkelblauer Juangodoyit

Fundort: Mina Santa Rosa, Iquique, Tarapaca, Chile; Größe: 8x6 cm

Copyright: Leonardus
Contribution: slugslayer 2008-08-01
Locality: Mina Santa Rosa / Santa Rosa-Huantajaya, Distrikt / Iquique, Provinz / Tarapacá, Region (I. Region) / Chile

Collectors Summary

Color leuchtend ultramarinblau
Streak color blau
Lustre Erdig Matt
Hardness (Mohs) 1 - 2
Solubility +++ verdünnte HCl mit Gasentwicklung, - H2O, konvertiert innerhalb vonStunden zu Chalkonatronit
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

Na2Cu(CO3)2

Chem­ical com­po­si­tion

Kupfer, Natrium, Kohlenstoff, Sauerstoff

Unit weight: 229.5439804 u; Number of atoms in the formula: 11

Info

Empirical formula:

Na2Cu(CO3)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

10.46

2

18.18

12.0107800

24.0215600

Oxygen

O

41.82

6

54.55

15.9994300

95.9965800

Sodium

Na

20.03

2

18.18

22.9897702

45.9795404

Copper

Cu

27.68

1

9.09

63.5463000

63.5463000

Anal­y­sis wt%

CuO : 33.77, Na2O : 28.27, CO2 : 38.45 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) A2005)

Strunz 9th edi­tion incl. updates

5.AB.55

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
B: Alkali-Erden- (und andere M2*) Carbonate
55:Juangodoyit-Gruppe

Lapis Clas­sifica­tion

V/B.05-005

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen

Clas­sifica­tion by Hölzel

5.AB.400

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal

Dana 8th edi­tion

14.03.06.01

14: Anhydrous Carbonates
03: Anhydrous Carbonates with Compound Formula A+2 B++ (CO3)2

IMA sta­tus

anerkannt 2004

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

leuchtend ultramarinblau

Streak color

blau

Lus­tre

Erdig Matt

RI value α / ω / n

1.571

RI value β

av.

Ri mean

1.571

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

6.171

Cell param­e­ters b (Å)

8.171

Cell param­e­ters c (Å)

5.645

Cell param­e­ters a/b or c/a

0.755

Cell param­e­ters c/b

0.691

Cell param­e­ters α

90°

Cell param­e­ters β

116.23

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

255.329

X-Ray Pow­der Diffrac­tion

5.06(66), 4.57(57), 4.30(37), 4.26(75), 2.666(100), 2.619(65), 2.450(33), 2.390(25)

XRD chart Juangodoyite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1 - 2

Density (g/cm³)

2.98

2.986 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ verdünnte HCl mit Gasentwicklung, - H2O, konvertiert innerhalb vonStunden zu Chalkonatronit

(Co-)Type locality

(Co-)Type locality

Chile/Tarapacá, Region (I. Region)/Iquique, Provinz/Santa Rosa-Huantajaya, Distrikt/Mina Santa Rosa

Type mate­r­ial

Mineralogisches Museum der Universität Hamburg

Col­lec­tion number of type mate­r­ial

MMHH MD 210, MD 210 / Tresor des Museums

Par­a­ge­n­e­sis of type mate­r­ial

Sanrománit, Chalkonatronit, Malachit, Anhydrit, Natriumhydogenkarbonate (überwiegend Trona und Nahcolite).

Preface

Rare­ness

selten

Author (Name, Year)

Schlüter & Pohl, 2005

References

J. Schlüter, D. Pohl: "Juangodoyite, Na2Cu(CO3)2, Ein neues Mineral aus der Santa Rosa Mine, Atacama Wüste, Chile", N. Jb. Min. Abh. 182(1):11-14 (2005)

Other languages

German

Juangodoyit

English

Juangodoyite

Russian

Жуангодоит

Russian

Хуангодойит

Simplified Chinese

无水碳铜钠石

Traditional Chinese

無水碳銅鈉石

CNMNC (IMA)-Number

IMA 2004-036

CNMNC symbol

Symbol

Jgd

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

German pages

DeWikiPedia - search for: Juangodoyit
Google-Bilder-Suche - search for: Juangodoyit
Mineralienatlas.de (Forum) - search for: Juangodoyit

English pages

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

Russian pages

Webmineral.ru - search for: Хуангодойит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Juangodoyit
Crystal-Treasure.com - search for: Juangodoyit
Bosse - search for: Juangodoyit
Edelsteine Neuburg - Gundolf Fischer - search for: Juangodoyit