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

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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. Szklana 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 interesting Os-bearing phase, Ba2CaOsO6, among heavy minerals of the weathering cover of Szklary serpentinite massif. Other heavy minerals include palladiu, and niggliite.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite

Albite

var: Oligoclase

'Albite-Anorthite Series'

'Alipite'

Allanite-(Ce)

Alluaudite

Almandine

'Almandine-Spessartine Series'

Anthophyllite

Antigorite

Antimony

'Apatite'

Arsenic

Arsenogorceixite

Augite

Beryl

Beusite

'Biotite'

Bismuth

Cesàrolite

'Cheralite-(Ce)'

Chlorapatite

'Chlorite Group'

'var: Brunsvigite'

Chromite

Chrysoberyl

'Chrysoprase'

Chrysotile

Clinochlore

Clinozoisite

Columbite-(Mn)

Dravite

Dumortierite

Enstatite

var: Bronzite

Epidote

Ernienickelite

Fairfieldite

Fersmite

Fluorapatite

var: Mn-bearing Fluorapatite

'Garnierite'

Goethite

Gold

Gorceixite

Grossular

Hematite

Holtite

'Hornblende'

Hydroxylapatite

'Iddingsite'

Jianshuiite

'Kerolite'

'K Feldspar'

Leucoxene

'Limonite'

Lithiophilite

Magnesioferrite

Magnesite

Magnetite

Microcline

Microlite Group

Mitridatite

Molybdenite

'Monazite'

Monazite-(Ce)

Muscovite

Natrophilite

Népouite

Niggliite

Nimite

Nioboholtite (TL)

'Olivine'

Opal

Palladium

Paradocrasite

Phosphohedyphane

Pieczkaite

'Pimelite' (FRL)

Platinum

Plumbogummite

Prehnite

Purpurite

Pyrochlore Group

'Pyrochlore Supergroup'

'var: Betafite (of Hogarth 1977)'

Pyrope

Quartz

Ranciéite

Romanèchite

Rutile

Saponite

var: Bowlingite

Schorl

'Serpentine Subgroup'

Silver

Spessartine

Spinel

var: Pleonaste

Stevensite

Stibarsen

Stibiocolumbite

Stibiotantalite

Szklaryite (TL)

Talc

Tantalite-(Mn)

Thorite

Titanite

Titanoholtite (TL)

'Tourmaline'

Tremolite

Trevorite

'Unnamed (Ba-Ca-Os Oxide)'

'Unnamed (Ba-dominant member of dickinsonite group)'

'Unnamed (Bi-Mn oxide)'

'Unnamed (Mn-U-As-Sb-Ta-Ti oxide)'

'Unnamed (Pb-dominant member of dickinsonite group)'

Uraninite

Varulite

Xenotime-(Y)

Zircon

Zoisite


91 valid minerals. 3 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Localities in this Region

Poland

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sachanbiński, M., Piórewicz, R., Michalin, R. (2000): Heavy minerals in the serpentinite weathering cover of the Szklary massif. Geologia Sudetica: 33(2): 131-141

Mineral and/or Locality  
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