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Studenitsite

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Pobrdzhsky Potok & Peskanya deposits, Balevats, Jarandol Basin, Serbia
© 2008, J. Weissman

Formula:
NaCa
 
2
[B
 
9
O
 
14
(OH)
 
4
]·2H
 
2
O
System:MonoclinicColour:Colourless to light ...
Lustre:VitreousHardness:5½ - 6
Name:Named after Studenica, a cloister near the discovery locality.
This page provides mineralogical data about Studenitsite.

Classification of Studenitsite

IMA status:Approved 1994
Strunz 8th edition ID:5/K.08-05
Nickel-Strunz 10th (pending) edition ID:6.GB.05

6 : BORATES
G : Heptaborates and other megaborates
B : Phyllo-nonborates, etc.
Dana 8th edition ID:26.7.8.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
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Type Occurrence of Studenitsite

Type Locality:Pobrdzhsky Potok & Peskanya deposits, Balevats, Jarandol Basin, Serbia

Physical Properties of Studenitsite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless to light dirty-yellow and light grey
Hardness (Mohs):5½ - 6

Crystallography of Studenitsite

Crystal System:Monoclinic

Optical Data of Studenitsite

Type:Biaxial (+)
RI values: nα = 1.532 nβ = 1.538 nγ = 1.564
2V:Measured: 54° , Calculated: 52°
Maximum Birefringence:δ = 0.032

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

Chemical Properties of Studenitsite

Formula:
NaCa
 
2
[B
 
9
O
 
14
(OH)
 
4
]·2H
 
2
O
Essential elements:B, Ca, H, Na, O
All elements listed in formula:B, Ca, H, Na, O

Relationship of Studenitsite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.GB.10Penobsquisite
Ca
 
2
Fe
2+
 
[Cl|B
 
9
O
 
13
(OH)
 
6
]Cl · 4H
 
2
O
6.GB.15Preobrazhenskite
Mg
 
3
B
 
11
O
 
15
(OH)
 
9
6.GB.20Walkerite
Ca
 
16
(Mg,Li,[])
 
2
[B
 
13
O
 
17
(OH)
 
12
]
 
4
Cl
 
6
·28H
 
2
O

Other Names for Studenitsite

Synonyms:
IMA1994-026
Other Languages:
German:Studenitsit
Russian:Студеницит
Spanish:Studenitsita

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 Studenitsite

Reference List:Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1995): 124(3): 57-64.

Mineralogical Record: 27: 466.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Studenitsite

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    Localities for Studenitsite

    (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.
    Serbia
     
    • Jarandol Basin
      • Balevats
    		S. V. Malinko et al.: New Data on Minerals 39:26-31 (200)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. Current server date and time: 12th Nov 2009 11:47:14