Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Macquartite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
© 2003 ROM

Show Macquartite Photos (16)



Formula:
Pb
 
3
Cu(CrO
 
4
)(SiO
 
3
)(OH)
 
4
 · 2H
 
2
O
System:MonoclinicColour:Orange cadmium
Hardness:3½
Name:For Louis Charles Henri Macquart (1745-1803), French chemist, who supplied crocoite from which chromium was discovered.
This page provides mineralogical data about Macquartite.

Classification of Macquartite

IMA status:Approved 1979
Strunz 8th edition ID:8/B.28-30
Nickel-Strunz 10th (pending) edition ID:9.HH.05

9 : SILICATES (Germanates)
H : Unclassified silicates
H : With Pb
Dana 7th edition ID:36.1.2.1
Dana 8th edition ID:36.1.2.1

36 : COMPOUND CHROMATES
1 : Miscellaneous
Hey's CIM Ref.:17.10.29

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate
mindat.org URL:http://www.mindat.org/min-2514.html
Please feel free to link to this page.

Type Occurrence of Macquartite

Type Locality:Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
Place of Conservation of Type Material:British Museum, University of Arizona Geological Museum.
Year of Discovery:1980
Associated Minerals at type locality:
Dioptase

Physical Properties of Macquartite

Colour:Orange cadmium
Streak:pale orange
Hardness (Mohs):3½
Cleavage:Distinct/Good
Good on {100}
Density (measured):5.49 g/cm3
Density (calculated):5.58 g/cm3

Crystallography of Macquartite

Crystal System:Monoclinic
Cell Parameters:a = 20.81Å, b = 5.84Å, c = 9.26Å
β = 91.8°
Ratio:a:b:c = 3.563 : 1 : 1.586
Unit Cell Volume:V 1,124.82 ų (Calculated from Unit Cell)
Z:4
Morphology:Euhedral crystals in quartz
Comment:Probably C2/m

Optical Data of Macquartite

Type:Biaxial (-)
RI values: nα = 2.280 nβ = 2.310 nγ = 2.340
2V:Measured: 85° , Calculated: 88°
Maximum Birefringence:δ = 0.060

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v strong

Chemical Properties of Macquartite

Formula:
Pb
 
3
Cu(CrO
 
4
)(SiO
 
3
)(OH)
 
4
 · 2H
 
2
O
Essential elements:Cr, Cu, H, O, Pb, Si
All elements listed in formula:Cr, Cu, H, O, Pb, Si

Relationship of Macquartite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.HH.10Luddenite
Cu
 
2
Pb
 
2
Si
 
5
O
 
14
 · 4H
 
2
O
9.HH.15Creaseyite
Cu
 
2
Pb
 
2
(Fe,Al)
 
2
Si
 
5
O
 
17
 · 6H
 
2
O
9.HH.20Plumbotsumite
Pb
 
13
(CO
 
3
)
 
6
(Si
 
10
O
 
27
) · 3H
 
2
O
9.HH.25Molybdophyllite
Pb
 
8
Mg
 
9
[Si
 
10
O
 
28
(OH)
 
8
|O
 
2
|(CO
 
3
)
 
3
] · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
17.10.1Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
17.10.2Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
17.10.3Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
17.10.4Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
(O,S)
 
24
)(SO
 
4
,Cl)
 
1-2
17.10.5Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
17.10.6Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
17.10.7Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
] · H
 
2
O
17.10.8Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
17.10.9Delhayelite
(Na,K)
 
10
Ca
 
5
Al
 
6
Si
 
32
O
 
80
(Cl
 
2
,F
 
2
,SO
 
4
)
 
3
 · 18H
 
2
O
17.10.10Hydrodelhayelite
KCa
 
2
AlSi
 
7
O
 
17
(OH)
 
2
 · 6H
 
2
O
17.10.11Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
17.10.12Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
17.10.13Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
17.10.14Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
17.10.15Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
17.10.16Chessexite
(Na,K)
 
4
Ca
 
2
(Mg,Zn)
 
3
Al
 
8
(SO
 
4
)
 
10
(SiO
 
4
)
 
2
 · 40H
 
2
O
17.10.17Innelite
Na
 
2
CaBa
 
4
Ti
 
3
(Si
 
2
O
 
7
)
 
2
(SO
 
4
)
 
2
O
 
4
17.10.18Thaumasite
Ca
 
3
(SO
 
4
)[Si(OH)
 
6
](CO
 
3
) · 12H
 
2
O
17.10.19Ellestadite
17.10.20Ellestadite-(Cl)
Ca
 
10
(SiO
 
4
)
 
3
(SO
 
4
)
 
3
Cl
 
2
17.10.21Hydroxylellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(OH)
17.10.22Fluorellestadite
Ca
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
F
17.10.23Mattheddleite
Pb
 
5
(SiO
 
4
)
 
1.5
(SO
 
4
)
 
1.5
(Cl,OH)
17.10.24Queitite
Pb
 
4
Zn
 
2
(SO
 
4
)(SiO
 
4
)(Si
 
2
O
 
7
)
17.10.25Roeblingite
Pb
 
2
Ca
 
6
Mn
2+
 
(Si
 
3
O
 
9
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
17.10.26Yoshimuraite
Ba
 
2
Mn
 
2
Ti(Si
 
2
O
 
7
)(PO
 
4
)O(OH)
17.10.27Kegelite
Pb
 
8
Al
 
4
(Si
 
8
O
 
20
)(SO
 
4
)
 
2
(CO
 
3
)
 
4
(OH)
 
8
17.10.28Wenkite
(Ba,K)
 
4
(Ca,Na)
 
6
[(SO
 
4
)
 
3
|(Si,Al)
 
20
O
 
39
(OH)
 
2
] · 0.5H
 
2
O
17.10.30Welinite
Mn
2+
6
(W
6+
 
,Mg)
 
2
(SiO
 
4
)
 
2
(O,OH)
 
6

Other Names for Macquartite

Synonyms:
IMA1979-037
Other Languages:
German:Macquartit
Spanish:Macquartita

Other Information

Other Information:Decomposed by concentrated HCl.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Macquartite

Reference List:

- +
Williams, S.A. & M. Duggan (1980), La macquartite: Un nouveau silico-chromate de Tiger, AZ, Bulletin de Mineralogie: 103: 530-532.

American Mineralogist (1981): 66: 638.

American Mineralogist (1995): 80: 408.

Internet Links for Macquartite

Search Engines:
  • Look for Macquartite on Google
  • Look for Macquartite images on Google
    • External Links:
  • Look for Macquartite on Webmineral
  • Look for Macquartite on Athena Mineralogy
  • Look for Macquartite on Mineralien Atlas
  • Raman and XRD data at RRUFF project[Link Broken?]
  • American Mineralogist Crystal Structure Database[Link Broken?]
  • Macquartite details from Handbook of Mineralogy (PDF)[Link Broken?]
    • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy from David K Joyce minerals
  • Search for minerals at Heliodor
  • Macquartite specimens for sale - minfind.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • Top quality minerals from Kristalle of California
  • Search for Macquartite on Well-Arranged Molecules
  • Find Macquartite on www.crystalclassics.co.uk
  • Search for - Macquartite - on e-Rocks Mineral Sales & Auctions
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine and rare minerals from mintreasure.com
  • webminerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Macquartite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Arizona
      • Pinal Co.
        • Mammoth District
          • Tiger
            • St. Anthony deposit
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 282; Williams, S.A. & M. Duggan (1980), La macquartite: Un nouveau silico-chromate de Tiger, AZ, Bull. Mineral.: 103: 530-532.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 8th Jul 2012 10:05:06
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds