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Studenitsite

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Pobrdzhsky Potok & Peskanya deposits, Balevats, Jarandol Basin, Serbia
© 2008, JGW




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

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    (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 (2004)
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