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Altaite

Pictures (13 Images total)

Altait (dunkelgrau) und Gold
Views (Image: 1264712519): 3988
Altait (dunkelgrau) und Gold

Größe: 34x34 mm; Fundort: Browns Flat, Bald Mt, Calaveras Co., Kalifornien, USA

Copyright: Rock Currier
Contribution: slugslayer 2010-01-28
Locality: Browns Flat / Bald Mt / Calaveras Co. / Kalifornien (California) / USA
Mattagamit (rosa), Altait (weiß)
Views (Image: 1245598253): 4733
Mattagamit (rosa), Altait (weiß)

Dünnschliff; Bildbreite: 11 mm; Fundort: Mattagami Lake Mines, Galinee Township, Abitibi Co., Quebec, Kanada

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-21
Locality: Mattagami Lake Mine / Mattagami / Galinée Township / Matagami VMS Distrikt / Nord-du-Québec, Region / Québec / Kanada
Altait
Views (Image: 1242897986): 1909
Altait

Bildbreite: 12 mm; Fundort: Organ Mts, Organ District, Dona Ana Co., New Mexico, USA

Copyright: Peter Haas
Contribution: slugslayer 2009-05-21
Locality: Organ Mts / Organ District / Dona Ana Co. / New Mexico / USA
Gold und Altait
Views (Image: 1291148242): 2214
Gold und Altait

Größe: 40x28 mm; Fundort: Browns Flat, Bald Mt, Calaveras Co., Kalifornien, USA

Collection: Harvard University
Copyright: Rock Currier
Contribution: slugslayer 2010-11-30
Locality: Browns Flat / Bald Mt / Calaveras Co. / Kalifornien (California) / USA
Altait xx
Views (Image: 1144429151): 2261
Altait xx

Fundort: Klondike Mine, Colorado, USA; Bildbreite 8 mm

Copyright: loismin
Contribution: loismin 2006-04-07
Locality: Klondike Mine / Bonanza District / Saguache Co. / Colorado / USA
Altait
Views (Image: 1242897377): 410
Altait  D

Größe: 60x51x35 mm; Fundort: Cash Mine, Gold Hill, Gold Hill District, Boulder Co., Colorado, USA

Copyright: Jasun McAvoy
Contribution: slugslayer 2009-05-21
Locality: Cash Mine / Gold Hill / Gold Hill District / Boulder Co. / Colorado / USA

Collectors Summary

Color silbriggrau, grau
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 2.00 - 3.00
Solubility +++ HNO3
Crystal System kubisch, Fm3m

Chemism

Chem­ical formula

PbTe

Chem­ical com­po­si­tion

Blei, Tellur

Unit weight: 334.813 u; Number of atoms in the formula: 2

Info

Empirical formula:

PbTe

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Tellurium

Te

38.11

1

50.00

127.6030000

127.6030000

Lead

Pb

61.89

1

50.00

207.2100000

207.2100000

Anal­y­sis wt%

Pb : 61.26, Fe : 0.64, Te : 36.84 (Ref: American Mineralogist 49)

Strunz 9th edi­tion incl. updates

2.CD.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
D: mit Zinn (Sn), Blei (Pb), Quecksilber (Hg), usw.
10:Galenit-Gruppe

Lapis Clas­sifica­tion

II/C.15-060

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Clas­sifica­tion by Hölzel

2.CD.270

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
D: With Sn,Pb, etc. - Coordination Number ~[4+1]
2: Coordination Number ~[6] Galenite-Group

Dana 8th edi­tion

02.08.01.03

02: Sulfide Minerals
08: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
01: Galena Group (Isometric: Fm3m)

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

silbriggrau, grau

Streak color

schwarz

Lus­tre

Metallglanz

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 59.60, , 59.60
(420) 62.60, , 62.60
(440) 65.20, , 65.20
(460) 67.50, , 67.50
(480) 69.30, , 69.30
(500) 70.60, , 70.60
(520) 71.20, , 71.20
(540) 71.10, , 71.10
(560) 70.10, , 70.10
(580) 68.70, , 68.70
(600) 66.80, , 66.80
(620) 65.10, , 65.10
(640) 63.40, , 63.40
(660) 61.90, , 61.90
(680) 60.60, , 60.60
(700) 59.40, , 59.40

Reflection chart Altaite

Reflec­tiv­ity Ø

65.82

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

6.452

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

268.586

X-Ray Pow­der Diffrac­tion

3.23(100),
2.29(80),
1.859(30),
1.610(20),
1.443(50),
1.315(40),
1.073(20),
1.020(20)

XRD chart Altaite

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)

2.00 - 3.00

VHN (Hard­ness Vick­ers)

50 (25g)

Density (g/cm³)

8.19 (gemessen)

8.279 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3

Preface

Asso­cia­tions

Gold, Bleiglanz

Author (Name, Year)

Haidinger, 1845

Col­lector informa­tion

Typische grausilbrige xx mit starker Spaltbarkeit

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: H302: Gesundheitsschädlich bei Verschlucken., H332: Gesundheitsschädlich bei Einatmen., H360Df: Kann das Kind im Mutterleib schädigen. Kann vermutlich die Fruchtbarkeit beeinträchtigen., H373: Kann die Organe schädigen bei längerer oder wiederholter Exposition., H410: Sehr giftig für Wasserorganismen mit langfristiger Wirkung., P201: Vor Gebrauch besondere Anweisungen einholen., P273: Freisetzung in die Umwelt vermeiden., P308+P313: Bei Exposition oder falls betroffen: Ärztlichen Rat einholen / ärztliche Hilfe hinzuziehen., P501: Inhalt / Behälter … zuführen.

References

Handbook of Mineralogy (Anthony et al.), 1 (1990), 11; Lehrbuch der Mineralogie (1991)

Other languages

German

Altait

English

Altaite

French

Altaite

Spanish

Altaíta

Russian

Алтаит

Japanese

テルル鉛鉱

Simplified Chinese

碲铅矿

Alternative Name

Elasmose (of d'Halloy)

Lead telluride

CNMNC symbol

Symbol

Alt

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Алтаит

Mineral Dealer

German pages

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

Locations with GPS information