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Quadratite

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08873240014953046466164.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
03724050014953046472470.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
00717650014950521032274.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
07859080014946701819692.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
02576790014946701821249.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
02470130014946406213637.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
08873240014953046466164.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
03724050014953046472470.jpg
Quadratite, etc.

Lengenbach Quarry, Fäld, Binn Valley, Valais, Switzerland
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About QuadratiteHide

Formula:
Ag(Cd,Pb)AsS3
Colour:
Gray; reddish (laminae)
Lustre:
Metallic
Hardness:
3
Crystal System:
Tetragonal
Name:
The name is derived from the conspicuous quadratic shape of the mineral.
The Cd analogue of manganoquadratite.


Classification of QuadratiteHide

IMA status:
Approved
Strunz 8th ed.:
2/E.07-60
Nickel-Strunz 10th (pending) ed.:
2.GC.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites

Physical Properties of QuadratiteHide

Lustre:
Metallic
Transparency:
Translucent, Opaque
Colour:
Gray; reddish (laminae)
Streak:
Reddish-brown
Hardness:
3 on Mohs scale

Chemical Properties of QuadratiteHide

Formula:
Ag(Cd,Pb)AsS3
IMA Formula:
AgCdAsS3
Elements listed:
Ag, As, Cd, Pb, S - search for minerals with similar chemistry

Crystallography of QuadratiteHide

Crystal System:
Tetragonal

Type Occurrence of QuadratiteHide

Synonyms of QuadratiteHide

Other Language Names for QuadratiteHide

German:Quadratit
Spanish:Quadratita

Common AssociatesHide

Associated Minerals Based on Photo Data:
9 photos of Quadratite associated with SmithiteAgAsS2
7 photos of Quadratite associated with JordanitePb14(As,Sb)6S23
2 photos of Quadratite associated with GreenockiteCdS
1 photo of Quadratite associated with GalenaPbS
1 photo of Quadratite associated with SeligmannitePbCuAsS3
1 photo of Quadratite associated with MarriteAgPbAsS3
1 photo of Quadratite associated with Wurtzite(Zn,Fe)S

Related Minerals - Nickel-Strunz GroupingHide

2.GC.05HatchiteAgTlPbAs2S5Tric. 1 : P1
2.GC.05Wallisite(Cu,Ag)TlPbAs2S5Tric.
2.GC.10SinneriteCu6As4S9Tric. 1 : P1
2.GC.15WatanabeiteCu4(As,Sb)2S5Orth.
2.GC.20SimoniteTlHgAs3S6Mon. 2/m
2.GC.25ManganoquadratiteAgMnAsS3Tet. 4 2 2 : P43 2 2
2.GC.30SmithiteAgAsS2Mon. 2/m
2.GC.35TrechmanniteAgAsS2Trig.
2.GC.40aAleksitePbBi2Te2S2Trig.
2.GC.40bKochkaritePbBi4Te7Trig.
2.GC.40cPoubaitePbBi2(Se,Te,S)4Trig.
2.GC.40cRucklidgeitePbBi2Te4Trig.
2.GC.40eBabkinitePb2Bi2(S,Se)3Trig.
2.GC.40dSaddlebackitePb2Bi2Te2S3Hex.
2.GC.45TvalchrelidzeiteHg3SbAsS3Mon. 2/m
2.GC.50MutnovskitePb4As2S6IClOrth. mmm (2/m 2/m 2/m) : Pnma

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for QuadratiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Graeser, S., Lustenhouwer, W., Berlepsch, P. (1998): Quadratite Ag(Cd,Pb)(As,Sb)S3 - a new sulfide mineral from Lengenbach, Binntal (Switzerland). Schweizerische Mineralogische und Petrographische Mitteilungen 78, 489-494.
Bindi, L., Spry, P. G., Bonazzi, P., Makovicky, E., Balić-Žunić, T. (2013): Quadratite, AgCdAsS3:Chemical composition, crystal structure and OD character. American Mineralogist 98, 242-247.

Internet Links for QuadratiteHide

Localities for QuadratiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Switzerland (TL)
 
  • Valais
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
[AmMin 85:264]
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