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Studenitsite

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


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Classification of StudenitsiteHide

Approved
Approval Year:
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

Physical Properties of StudenitsiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless to light dirty-yellow and light grey
Hardness:
5½ - 6 on Mohs scale

Optical Data of StudenitsiteHide

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 StudenitsiteHide

Formula:
NaCa2[B9O14(OH)4] · 2H2O
IMA Formula:
NaCa2B9O14(OH)4 · 2H2O

Crystallography of StudenitsiteHide

Crystal System:
Monoclinic

Type Occurrence of StudenitsiteHide

Synonyms of StudenitsiteHide

Other Language Names for StudenitsiteHide

Simplified Chinese:水硼钠钙石
Spanish:Studenitsita
Traditional Chinese:水硼鈉鈣石

Related Minerals - Nickel-Strunz GroupingHide

6.GB.10PenobsquisiteCa2Fe2+[Cl|B9O13(OH)6]Cl · 4H2OMon.
6.GB.15PreobrazhenskiteMg3B11O15(OH)9Orth.
6.GB.20WalkeriteCa16(Mg,Li,◻)2[B13O17(OH)12]4Cl6·28H2OOrth. mm2 : Pba2

Other InformationHide

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 StudenitsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 StudenitsiteHide

Localities for StudenitsiteHide

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Serbia (TL)
 
  • 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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