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Studenitsite

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Formula:
NaCa2[B9O14(OH)4] · 2H2O
System:
Monoclinic
Colour:
Colourless to light ...
Lustre:
Vitreous
Hardness:
5½ - 6
Name:
Named after Studenica, a cloister near the discovery locality.
This page provides mineralogical data about Studenitsite.

Classification of Studenitsite

Approved 1994
6.GB.05

6 : BORATES
G : Heptaborates and other megaborates
B : Phyllo-nonborates, etc.
26.7.8.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
mindat.org URL:
http://www.mindat.org/min-3814.html
Please feel free to link to this page.

First Recorded Occurrence of Studenitsite

Physical Properties of Studenitsite

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°
Max Birefringence:
δ = 0.032
Image 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:
NaCa2[B9O14(OH)4] · 2H2O
Essential elements:
All elements listed in formula:

Relationship of Studenitsite to other Species

6.GB.10PenobsquisiteCa2Fe2+[Cl|B9O13(OH)6]Cl · 4H2O
6.GB.15PreobrazhenskiteMg3B11O15(OH)9
6.GB.20WalkeriteCa16(Mg,Li,◻)2[B13O17(OH)12]4Cl6·28H2O

Other Names for Studenitsite

Name in Other Languages:
Simplified Chinese:水硼钠钙石
Spanish:Studenitsita
Traditional Chinese:水硼鈉鈣石

Other Information

Health Risks:
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

Localities for Studenitsite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
 
  • Raška District
    • Raška
      • Jarandol Basin
        • Baljevac na Ibru
S. V. Malinko et al.: New Data on Minerals 39:26-31 (2004)
Mineral and/or Locality  
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