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Barahonaite-(Al) (Barahonait-(Al))

Pictures (4 Images total)

Barahonait-(Al), BB 10,2 mm
Views (Image: 1241116053): 2773
Barahonait-(Al), BB 10,2 mm (SNr: B003981)

80 ft.level, Gold Hill Mine, Tooele Co., Utah

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: eschuhbauer 2009-04-30
Locality: Gold Hill Mine / Gold Hill / Gold Hill District (Clifton District) / Deep Creek Mts. / Tooele Co. / Utah / USA
Barahonait-(Al)
Views (Image: 1353445800): 876
Barahonait-(Al) (SNr: B002261)

Schuppige bläuliche Kristalle, BB = 5 mm, Fundort: 80 foot level, Gold Hill Mine, Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts., Tooele Co., Utah, USA

Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-20
Locality: Gold Hill Mine / Gold Hill / Gold Hill District (Clifton District) / Deep Creek Mts. / Tooele Co. / Utah / USA
Barahonait-(Al)
Views (Image: 1422010663): 683
Barahonait-(Al)

Bildbreite: 3 mm; Fundort: Gold Hill Mine, Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts., Tooele Co., Utah, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2015-01-23
Locality: Gold Hill Mine / Gold Hill / Gold Hill District (Clifton District) / Deep Creek Mts. / Tooele Co. / Utah / USA
Barahonait-(Al)
Views (Image: 1245842409): 1228
Barahonait-(Al)

Bildbreite: 0,4 mm; Fundort: Dolores-Prospekt, Pastrana, Mazarrón, Murcia, Spanien

Copyright: Christian Rewitzer
Contribution: Hg 2009-06-24
Locality: Dolores Prospekt / Pastrana / Mazarrón / Murcia / Spanien

Collectors Summary

Color blassblau
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2.5
Solubility +++ 10% HCl
Crystal System monoklin, P2/a oder Pa

Chemism

Chem­ical formula

(Ca,Cu,Na,Fe3+,Al)12Al2(AsO4)8(OH,Cl)x·nH2O

Addi­tional chem. informa­tion

Strunz 9 Gruppierung noch ungewiss

Chem­ical com­po­si­tion

Aluminium, Arsen, Calcium, Chlor, Eisen, Kupfer, Natrium, Sauerstoff, Wasserstoff

Strunz 9th edi­tion incl. updates

8.CH.10

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
H: Mit großen und mittelgroßen Kationen, RO4:H2O < 1:1
10:Anapait-Gruppe

Lapis Clas­sifica­tion

VII/C.11-070

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
11: Kleine und mittelgroße Kationen: Be und Al-Mn-Fe-Cu-Zn-Mg

Clas­sifica­tion by Hölzel

8.CE.355

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
E: Phosphates, very large: 1,2 Vmed: 2,3
3: very large: 2, Vmed: 2,3 Smolianinovite-Group

IMA sta­tus

anerkannt Juni 2007

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blassblau

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

Lus­tre

Glasglanz

max. Birefrin­gence

0.006

Birefringence chart\! Barahonaite-(Al) title=Birefringence chart Barahonaite-(Al)

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

1.616

RI value γ / ε

1.622

Ri mean

1.621

2V angle

Biaxial (-) ?

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m oder m

Space Group number

13 oder 7

Space Group

P2/a oder Pa

Cell param­e­ters a (Å)

9.964

Cell param­e­ters b (Å)

22.43

Cell param­e­ters c (Å)

10.555

Cell param­e­ters a/b or c/a

0.444

Cell param­e­ters c/b

0.471

Cell param­e­ters α

90°

Cell param­e­ters β

92.77

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

2356.207

X-Ray Pow­der Diffrac­tion

22.0(100), 11.16(70), 4.983(50), 3.655(25), 3.333(45), 3.003(30), 2.767(30)

XRD chart Barahonaite-(Al)

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

Physical Properties

Hard­ness (Mohs)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.03 gem.

Tenac­ity

spröde

Insta­bil­ity

+++ 10% HCl

Chem­ical Prop­er­ties and Tests

Leicht löslich ohne Aufschäumen in 10 %iger Salzsäure

(Co-)Type locality

(Co-)Type locality

Spanien/Murcia/Mazarrón/Pastrana/Dolores Prospekt

Preface

Name from

Antonio Barahona Ortiz, Madrid, der das Mineral entdeckte und seine Neuartigkeit erkannte

Author (Name, Year)

John L. Jambor

References

Neue Mineraien - IMA Veröffentlichung Juni 2007
Mineralien Welt 02/09, Steffen Jahn, Neue Mineralien

Other languages

German

Barahonait-(Al)

English

Barahonaite-(Al)

Russian

Барахонаит-(Al)

Simplified Chinese

羟砷铝铜钙石

Alternative Name

Barahonite-(Al)

Unnamed (Ca Arsenate)

CNMNC (IMA)-Number

IMA 2006-051

CNMNC symbol

Symbol

Bho-Al

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Барахонаит-(Al)

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Barahonait-(Al)
Crystal-Treasure.com - search for: Barahonait-(Al)
Bosse - search for: Barahonait-(Al)
Edelsteine Neuburg - Gundolf Fischer - search for: Barahonait-(Al)

Locations with GPS information