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Szklary (Gläsendorf), Ząbkowice (Frankenstein), Ząbkowice District, Lower Silesia (Dolnośląskie), Poland

The town of Szklary has a world-class gem chrysoprase deposit. The chrysoprase occurs in a silicate-type nickel deposit (nickel-bearing serpentinite), formed by hydrothermal and later lateritic weathering of ultramafic rocks (peridotites). The deposit is cut by numerous pegmatitic and oligoclasitic veins which are associated with a nearby Variscan syenite massif.

A pegmatite is exposed in one of the pits of the abandoned Ni mine and is listed as a separate locality (Mt. Szaklana Mine).

The deposit, which was was mined since the Middle Ages for chrysoprase (first known occurrence), was explored for nickel since 1891, first from underground workings and, since 1935, from open casts. The mines were finally abandoned around 1980. Excavation of the locality arranged by the 1st Mindat conference organizers in July, 2010 resulted in a major find of exceptional pimelite specimens and a mineralogical investigation is underway to re-validate the species.

Sachanbiński et al. (2000) mention also an Os-bearing phase, Ba2CaOsO6, among heavy minerals of the weathering cover of Szklary serpentinite massif.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Actinolite
'Albite-Anorthite Series'
'Alipite'
Alluaudite
Almandine
'Almandine-Spessartine Series'
Anthophyllite
Antigorite
Antimony
'Apatite'
Arsenic
Augite
Beryl
Beusite
'Biotite'
Bismuth
'Cheralite-(Ce)'
Chlorapatite
'Chlorite Group'
'var: Brunsvigite'
Chromite
Chrysoberyl
'Chrysoprase'
Chrysotile
Clinochlore
Clinozoisite
Columbite-(Mn)
Dravite
Dumortierite
Enstatite
var: Bronzite
Epidote
Fersmite
Fluorapatite
var: Mn-bearing Fluorapatite

'Garnierite'
Goethite
Gold
Grossular
Hematite
Holtite
'Hornblende'
Hydroxylapatite
'Iddingsite'
'Kerolite'
'Leucoxene'
'Limonite'
Magnesioferrite
Magnesite
Magnetite
Microcline
Microlite Group
Mitridatite
Molybdenite
'Monazite'
Muscovite
Népouite
Niggliite
Nimite
Nioboholtite (TL)
'Olivine'
Opal
Palladium
Paradocrasite
'Pimelite' (TL)
Platinum
Prehnite
Pyrochlore Group
'Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)'

Pyrope
Quartz
Ranciéite
Romanèchite
Rutile
Saponite
var: Bowlingite
Schorl
'Serpentine Group'
Silver
Spessartine
Spinel
var: Pleonaste

'Stevensite'
Stibarsen
Stibiocolumbite
Stibiotantalite
Szklaryite (TL)
Talc
Tantalite-(Mn)
Titanoholtite (TL)
'Tourmaline'
Tremolite
Trevorite
Uraninite
Xenotime-(Y)
Zircon
Zoisite


128 entries listed. 69 valid minerals. 3 type localities (valid minerals). 1 type locality (other).

Localities in this Region

Poland

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References


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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