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

Gilmarite

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

Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
© Stephan Wolfsried

Show Gilmarite Photos (31)



Formula:
Cu
 
3
(AsO
 
4
)(OH)
 
3
System:TriclinicColour:Greenish blue
Lustre:VitreousHardness:3
Name:Named for Gilbert Mari (1944-), mineralogist at the University of Nice-Sophia Antipolis, France.
This page provides mineralogical data about Gilmarite.

Classification of Gilmarite

IMA status:Approved
Strunz 8th edition ID:7/B.13-30
Nickel-Strunz 10th (pending) edition ID:8.BE.25

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
E : With only medium-sized cations, (OH, etc.):RO4 > 2:1
mindat.org URL:http://www.mindat.org/min-6970.html
Please feel free to link to this page.

Type Occurrence of Gilmarite

Type Locality:Roua Mines (Clue de Roua), Daluis, Guillaumes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France

Physical Properties of Gilmarite

Lustre:Vitreous
Colour:Greenish blue
Streak:Greenish blue
Hardness (Mohs):3

Crystallography of Gilmarite

Crystal System:Triclinic

Optical Data of Gilmarite

Type:Biaxial (-)
RI values: nα = 1.760 nβ = 1.800 nγ = 1.830
2V:Measured: 77° , Calculated: 80°
Maximum Birefringence:δ = 0.070

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

Chemical Properties of Gilmarite

Formula:
Cu
 
3
(AsO
 
4
)(OH)
 
3
Essential elements:As, Cu, H, O
All elements listed in formula:As, Cu, H, O

Relationship of Gilmarite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BE.05Augelite
Al
 
2
(PO
 
4
)(OH)
 
3
8.BE.10Grattarolaite
Fe
3+
3
(PO
 
4
)O
 
3
8.BE.15Cornetite
Cu
 
3
(PO
 
4
)(OH)
 
3
8.BE.20Clinoclase
Cu
 
3
(AsO
 
4
)(OH)
 
3
8.BE.25Arhbarite
Cu
 
2
Mg(AsO
 
4
)(OH)
 
3
8.BE.30Allactite
Mn
2+
7
(AsO
 
4
)
 
2
(OH)
 
8
8.BE.30Flinkite
Mn
2+
2
Mn
3+
 
(AsO
 
4
)(OH)
 
4
8.BE.30Raadeite
Mg
 
7
(PO
 
4
)
 
2
(OH)
 
8
8.BE.30Argandite
Mn
 
7
(VO
 
4
)
 
2
(OH)
 
8
8.BE.35Chlorophoenicite
(Mn,Mg)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
8.BE.35Magnesiochlorophoenicite
(Mg,Mn)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
8.BE.40Gerdtremmelite
(Zn,Fe)(Al,Fe)
 
2
(AsO
 
4
)(OH)
 
5
8.BE.45Dixenite
CuMn
2+
14
Fe
2+
 
(SiO
 
4
)
 
2
(As
5+
 
O
 
4
)(As
3+
 
O
 
3
)
 
5
(OH)
 
6
8.BE.45Hematolite
(Mn,Mg,Al)
 
15
(As
5+
 
O
 
4
)
 
2
(As
3+
 
O
 
3
)(OH)
 
23
8.BE.45Kraisslite
(Mn
2+
 
,Mg)
 
24
Zn
 
4
(SiO
 
4
)
 
8
(AsO
 
4
)
 
4
(OH)
 
12
8.BE.45Mcgovernite
Mn
 
19
Zn
 
3
(AsO
 
4
)
 
3
(AsO
 
3
)(SiO
 
4
)
 
3
(OH)
 
21
8.BE.45Arakiite
(Zn,Mn
2+
 
)(Mn
2+
 
,Mg)
 
12
(Fe
3+
 
,Al)
 
2
(As
5+
 
O
 
4
)
 
2
(As
3+
 
O
 
3
)(OH)
 
23
8.BE.45Turtmannite
(Mn,Mg)
 
22.5
Mg
 
3-3x
((V
5+
 
,As
5+
 
)O
 
4
)
 
3
(As
3+
 
O
 
3
)
 
x
(SiO
 
4
)
 
3
O
 
5-5x
(OH)
 
20+x
8.BE.50Synadelphite
Mn
2+
9
(As
5+
 
O
 
4
)
 
2
(As
3+
 
O
 
3
)(OH)
 
9
 · 2H
 
2
O
8.BE.55Holdenite
(Mn
2+
 
,Mg)
 
6
Zn
 
3
(AsO
 
4
)
 
2
(SiO
 
4
)(OH)
 
8
8.BE.60Kolicite
Mn
2+
7
Zn
 
4
(AsO
 
4
)
 
2
(SiO
 
4
)
 
2
(OH)
 
8
8.BE.65Sabelliite
(Cu,Zn)
 
2
Zn(AsO
 
4
,SbO
 
4
)(OH)
 
3
8.BE.70Jarosewichite
Mn
2+
3
Mn
3+
 
(AsO
 
4
)(OH)
 
6
8.BE.75Theisite
Cu
 
5
Zn
 
5
(AsO
 
4
,SbO
 
4
)
 
2
(OH)
 
14
8.BE.80Coparsite
Cu
 
4
(AsO
 
4
,VO
 
4
)O
 
2
Cl
8.BE.85Waterhouseite
Mn
2+
7
(PO
 
4
)
 
2
(OH)
 
8

Other Names for Gilmarite

Synonyms:
IMA1996-017
Other Languages:
German:Gilmarit
Russian:Гилмарит
Spanish:Gilmarita

Other Information

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 Gilmarite

Reference List:

- +
Sarp, H. and Černý, R. (1999): Gilmarite, Cu3(AsO4)(OH)3, a new mineral: its description and crystal structure. European Journal of Mineralogy: 11, 549-555.

Internet Links for Gilmarite

Search Engines:
  • Look for Gilmarite on Google
  • Look for Gilmarite images on Google
    • External Links:
  • Look for Gilmarite on Webmineral
  • Look for Gilmarite on Athena Mineralogy
  • Look for Gilmarite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Gilmarite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • High-end worldwide specimens & outstanding customer service
  • Buy RARE Minerals from Rocks of Africa
  • Fine Minerals from Weinrich Minerals, Inc.
  • Search for minerals at Heliodor
  • Buy from David K Joyce minerals
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Search for Gilmarite from all mineral dealers at minfind.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • The Arkenstone - Fine Minerals
  • webminerals
  • Buy fine minerals and gemstones from Pala International
  • By minerals from YourMineralCollection
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Gilmarite

    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.
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Santa Catalina
    		chemical analysis by dr. Jochen Schluter (Curator of Hamburg Mineral Museum).
    Maurizio Dini collection - quantitative analysis; Leon Hupperichs collection
    France
     
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Guillaumes
          • Daluis
    		Eur.J.Min.(1999) 11, 549-555
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		U. Kolitsch, J. Gröbner, G. Blaß and H.-W. Graf (2007): Neufunde aus der Grube Clara im mittleren Schwarzwald (III): Cerianit-(Ce), Dravit, Florencit-(La), Gilmarit, Olenit und Scotlandit. Lapis 32 (6), 19-23; 70.
    Hungary
     
    • Baranya Co.
      • Mecsek Mts.
        • Pécs
    		HOM Collection 2008
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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: 21st Jul 2011 10:30:27
    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