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Tertschite

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Tertschite

Kurtpınarı mine, Faraşköy, Bigadiç, Balikesir Province, Marmara Region, Turkey
Tertschite

Kurtpınarı mine, Faraşköy, Bigadiç, Balikesir Province, Marmara Region, Turkey
Tertschite

Kurtpınarı mine, Faraşköy, Bigadiç, Balikesir Province, Marmara Region, Turkey
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About TertschiteHide

Hermann J. Tertsch
Formula:
Ca4B10O19 · 20H2O
Colour:
Snow-white
Lustre:
Silky
Name:
Named in honor of Hermann Julius Tertsch (18 February 1880, Starý Petřín, Czech Republic - 14 December 1962, Vienna, Austria), professor of mineralogy, University of Vienna, Austria.
This page provides mineralogical data about Tertschite.


Classification of TertschiteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959), Questionable
Strunz 8th ed.:
5/H.16-20
Nickel-Strunz 10th (pending) ed.:
6.EB.20

6 : BORATES
E : Pentaborates
B : Ino-pentaborates
Dana 8th ed.:
26.7.5.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous

Physical Properties of TertschiteHide

Lustre:
Silky
Colour:
Snow-white

Optical Data of TertschiteHide

Type:
Biaxial
RI values:
nα = 1.502 nγ = 1.517
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of TertschiteHide

Formula:
Ca4B10O19 · 20H2O
Elements listed:
B, Ca, H, O - search for minerals with similar chemistry

Type Occurrence of TertschiteHide

Other Language Names for TertschiteHide

German:Tertschit
Spanish:Tertschita

Related Minerals - Nickel-Strunz GroupingHide

6.EB.05Larderellite(NH4)B5O7(OH)2 · H2OMon.
6.EB.10EzcurriteNa4B10O17 · 7H2OTric. 1 : P1
6.EB.15ProbertiteNaCaB5O7(OH)4 · 3H2OMon. 2/m
6.EB.25PriceiteCa2B5O7(OH)5 · H2OMon. 2/m : P21/b

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 TertschiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Meixner, H. (1952) Der Karinthin: 18: 144-146. [http://www.landesmuseum.at/pdf_frei_remote/DerKarinthin_18_0001-0023.pdf]
Meixner, H. (1953) Einige Boratminerale (Colemanit und Tertschit, ein neues Mineral) aus der Türkei. Fortschritte der Mineralogie: 31: 39-42.
Fleischer, M. (1954) New mineral names. American Mineralogist: 39: 848-852.

Internet Links for TertschiteHide

Localities for TertschiteHide

This 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.

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.
Turkey
 
  • Marmara Region
    • Balikesir Province
      • Bigadiç
CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 1-27
        • Faraşköy (Faraş)
Fortschritte der Mineralogie (1953), 31, 39-42.
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