Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Reinhardbraunsite

Big Photo

Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
© C.H.M.-Schäfer

Show Reinhardbraunsite Photos (4)
Formula:
Ca
 
5
[(OH,F)
 
2
|(SiO
 
4
)
 
2
]
System:MonoclinicColour:Pale pink
Hardness:5 - 6
Name:Named after Reinhard Brauns, Professor of Mineralogy.


Humite Group .

Classification of Reinhardbraunsite

IMA status:Approved 1980
Strunz 8th edition ID:8/B.04-70
Nickel-Strunz 10th (pending) edition ID:9.AF.45

9 : SILICATES (Germanates)
A : Nesosilicates
F : Nesosilicates with additional anions; cations in [4], [5] and/or only [6] coordination
Dana 8th edition ID:52.3.2b.3

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
3 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Hey's CIM Ref.:14.2.7

14 : Silicates not Containing Aluminum
2 : Silicates of Cu
mindat.org URL:http://www.mindat.org/min-3387.html
Please feel free to link to this page.

Type Occurrence of Reinhardbraunsite

Type Locality:Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
Year of Discovery:1983

Physical Properties of Reinhardbraunsite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Pale pink
Hardness (Mohs):5 - 6

Crystallography of Reinhardbraunsite

Crystal System:Monoclinic
Cell Parameters:a = 11.45Å, b = 5.05Å, c = 8.84Å
β = 108.91°
Ratio:a:b:c = 2.267 : 1 : 1.75
Unit Cell Volume:V 483.56 ų (Calculated from Unit Cell)

Optical Data of Reinhardbraunsite

Type:Biaxial (-)
RI values: nα = 1.606 nβ = 1.617 nγ = 1.620
2V:Measured: 44° to 50°, Calculated: 54°
Maximum Birefringence:δ = 0.014

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

Chemical Properties of Reinhardbraunsite

Formula:
Ca
 
5
[(OH,F)
 
2
|(SiO
 
4
)
 
2
]
Essential elements:Ca, H, O, Si
All elements listed in formula:Ca, F, H, O, Si
Common Impurities:H2O,P

Relationship of Reinhardbraunsite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.AF.05Sillimanite
Al
 
2
[O|SiO
 
4
]
9.AF.10Andalusite
Al
 
2
[O|SiO
 
4
]
9.AF.10Kanonaite
Mn
3+
 
Al[O|SiO
 
4
]
9.AF.15Kyanite
Al
 
2
[O|SiO
 
4
]
9.AF.20Mullite
Al
 
8
[(O,OH,F)|(Si,Al)O
 
4
]
 
4
9.AF.20Krieselite
(Al,Ga)
 
2
[(OH)
 
2
|GeO
 
4
]
9.AF.25Yoderite
Mg(Al,Fe
3+
 
)
 
3
[O|OH|(SiO
 
4
)
 
2
]
9.AF.30Magnesiostaurolite
(Mg,Li,Fe
2+
 
)
 
1.5-2
Al
 
9
[O
 
6
|(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.30Staurolite
(Fe
2+
 
,Mg,Zn)
 
1.5-2
Al
 
9
[O
 
6
|(OH,O)
 
2
|(SiO
 
4
)
 
4
]
9.AF.30Zincostaurolite
(Zn,Li,Fe
2+
 
,Mg)
 
<2
Al
 
9
[O
 
6
|(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.35Topaz
Al
 
2
[(F,OH)
 
2
|SiO
 
4
]
9.AF.40Norbergite
Mg
 
3
[(F,OH)
 
2
|SiO
 
4
]
9.AF.45Alleghanyite
Mn
2+
5
[(OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.45Chondrodite
(Mg,Fe
2+
 
)
 
5
[(F,OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.50Humite
(Mg,Fe
2+
 
)
 
7
[(F,OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.50Manganhumite
(Mn
2+
 
,Mg)
 
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.55Clinohumite
(Mg,Fe
2+
 
)
 
9
[(F,OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.55Sonolite
Mn
2+
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]
9.AF.55Hydroxylclinohumite
Mg
 
9
[(OH,F)
 
2
|(SiO
 
4
)
 
4
]
9.AF.60Leucophoenicite
Mn
2+
7
[(OH)
 
2
|(SiO
 
4
)
 
3
]
9.AF.65Ribbeite
(Mn
2+
 
,Mg)
 
5
[(OH)
 
2
|(SiO
 
4
)
 
2
]
9.AF.70Jerrygibbsite
Mn
2+
9
[(OH)
 
2
|(SiO
 
4
)
 
4
]
9.AF.75Franciscanite
Mn
3+
6
V
5+
0.5
[(O,OH)
 
3
|SiO
 
4
]
9.AF.75Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)[(O,OH)
 
3
|SiO
 
4
]
9.AF.75Welinite
Mn
3+
6
(W
6+
 
,Mg)
 
0.7
[(O,OH)
 
3
|SiO
 
4
]
9.AF.80Ellenbergerite
Mg
 
6
Al
 
6
Ti[(OH)
 
6
|(HSiO
 
4
)
 
4
|(SiO
 
4
)
 
4
]
9.AF.85Chloritoid
(Fe
2+
 
,Mg,Mn
2+
 
)Al
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.85Magnesiochloritoid
MgAl
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.85Ottrélite
(Mn
2+
 
,Fe
2+
 
,Mg)Al
 
2
[O|(OH)
 
2
|SiO
 
4
]
9.AF.90Poldervaartite
CaCa[SiO
 
3
OH](OH)
9.AF.90Olmiite
CaMn
2+
 
[SiO
 
3
(OH)](OH)
Related Minerals - Hey's Index Grouping:
14.2.1Dioptase
CuSiO
 
2
(OH)
 
2
14.2.2Shattuckite
Cu
 
5
[(OH)
 
2
|(SiO
 
3
)
 
4
]
14.2.3Plancheite
Cu
 
8
[(OH)
 
4
|Si
 
8
O
 
22
] · H
 
2
O
14.2.4Gilalite
Cu
 
5
Si
 
6
O
 
17
·7H
 
2
O
14.2.5Chrysocolla
(Cu,Al)
 
2
H
 
2
Si
 
2
O
 
5
(OH)
 
4
·nH
 
2
O
14.2.6Litidionite
CuNaKSi
 
4
O
 
10
14.2.8Cuprorivaite
CaCu[Si
 
4
O
 
10
]
14.2.9Kinoite
Ca
 
2
Cu
 
2
(H
 
2
O)
 
2
[Si
 
3
O
 
10
]
14.2.10Stringhamite
CaCu[SiO
 
4
] · H
 
2
O
14.2.11Apachite
Cu
 
9
Si
 
10
O
 
29
·11H
 
2
O

Other Names for Reinhardbraunsite

Synonyms:
Calcio-chondroditeCalcium ChondroditeIMA1980-032
German names:
Reinhardbraunsit
Russian names:
Райнхардбраунсит
Spanish names:
Reinhardbraunsita

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 Reinhardbraunsite

Reference List:Hamm, H. M., Hentschel, G., (1983):
Reinhardbraunsit, Ca5(SiO4)2(OH,F)2, a new mineral - the natural equivalent of synthetic „calcio-chondrodite“: Neues Jahrb. Mineral. Mh. (1983): 119-129.

American Mineralogist (1983): 68: 1039-1040.

Tschermaks Mineralogische und Petrographische Mitteilungen: 31: 137-150.

Internet Links for Reinhardbraunsite

Search Engines:
  • Look for Reinhardbraunsite on Google
  • Look for Reinhardbraunsite images on Google
    • External Links:
  • Look for Reinhardbraunsite on Webmineral
  • Look for Reinhardbraunsite on Athena Mineralogy
  • Look for Reinhardbraunsite on Wikipedia
  • Look for Reinhardbraunsite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Reinhardbraunsite in the Natural History Museum (London) online catalogue
  • Reinhardbraunsite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Reinhardbraunsite specimens
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • The Arkenstone - Fine Minerals
  • e-Rocks - Mineral Auctions and Sales
  • Search for Reinhardbraunsite at Thames Valley Minerals
  • Buy fine minerals and gemstones from Pala International
  • Lapis Mineral Magazin
  • Buy Minerals and Crystals from Crystalarium.com
  • Buy Fine Minerals from mineralsweb.com
  • Fine Minerals from Dan Weinrich Minerals
  • Top quality minerals from Kristalle of California
  • High-end worldwide specimens & outstanding customer service
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Reinhardbraunsite

    Hide Locality List
    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.
    These maps work faster with Firefox!
    (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.
    Germany
     
    • Rhineland-Palatinate
      • Eifel Mts
        • Daun
          • Üdersdorf
    		Schüller, W., Betz, V., Die Mineralien vom Emmelberg, Lapis 12/1986
        • Mayen
          • Ettringen
    		Hamm, H. M., Hentschel, G., Reinhardbraunsit, Ca5(SiO4)2(OH,F)2, a new mineral - the natural equivalent of synthetic „calcio-chondrodite“ –, N. Jb. Mineral. Mh., 119-129, 1983
    Israel
     
    Vapnik, Y., Sokol, E., Murashko M., Sharygin V. (2006): The enigma of Hatrurim. Mineralogical Almanac, 10, 69-77.
    Russia
     
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Verkhnechegemskiy volcanic structure
    		A. E. Zadov data
    Uganda
     
    • Kabarole District
    		Barker, D.S. and Nixon, P.H. (1989) High-Ca, low-alkali carbonatite volcanism at Fort Portal, Uganda. Contributions to Minralogy and Petrology.: 103: 166-177.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. 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. If you would like to add information to improve the quality of our database, then click here to register.