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SLAVÍKITE - Valachov Hill, Skřivaň, Czech Republic | TL- type locality | 25 x 9 x 3 mm | Box & Label | RARE

Slavikite, Czech Republic, Thumbnail (1-3 cm)
US$13.95
a8247
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Mineral: SLAVÍKITE
Locality: Valachov Hill, Skřivaň, Pavlíkov, Rakovník District, Central Bohemian Region, Czech Republic
Dimension (mm): 25 x 9 x 3 mm

Specimen packed in box of size 38 x 38 x 34 mm with card/label.

Description / Notes: SLAVIKITE forms yellow-green matte crust crystals up to 0.1 mm in size. It is formed by oxidation of pyrite. Valachov Hill is a typical locality, it is a pyrite deposit in the metasiltstones. Occurrences in other countries are recorded in Austria, France and Canada.

 

  • Formula:(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2O
  • Colour:Pale yellow, pale yellow-green
  • Lustre:Vitreous, Dull
  • Hardness:
  • Specific Gravity:1.905 - 1.99
  • Crystal System:Trigonal
  • Name:Named in 1926 by Rudolf Jirkovsky and František Ulrich in honor of František Slavík [July 18, 1876 - January 27, 1957], Charles University in Prague where he was Dean of the Faculty of Science from 1924 to 1925 and Rector from 1937 to 1938 (Am. Mineral. 43, 325-330).
  • Type Locality:Valachov Hill, Skřivaň, Pavlíkov, Rakovník District, Central Bohemian Region, Czech Republic
  • IMA Status: Valid Species (Pre-IMA) 1926

 

 

Further information in mineralogy databases:
 
Classification:
  • 7.Sulfates (Selenates, Tellurates, Chromates, Molybdates, Wolframates)
Mineral name:
  • Slavikite
Country origine:
Czech Republic
Specimen size:
Thumbnail (1-3 cm)

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