Jan Hyks' Photo Gallery
0FV-J9PPyrite FeS2
Dimensions: 4.5 cm x 4.5 cm
Largest Crystal Size: 12 mm
Group of well-developed crystals on massive pyrite.
Collected by Z. Trdlička probably 1956? Jan Hyks collection.
VCD-47JWalpurgite (BiO)4(UO2)(AsO4)2·2H2O
Field of View: 4 mm
Walpurgite crystals in cavity
FOTO: Bohuslav Bures
NWF-8A2Calcite CaCO3 , Goethite α-Fe3+O(OH)
Dimensions: 3 cm x 2 cm x 1.5 cm
stalactite aggregate 3 cm of calcite crystals with goethite "samtblende"
old find from locality.
GAW-PDJMillerite NiS
Field of View: 2 cm
Largest Crystal Size: 10 mm
Golden millerite needles crystals measuring 1 cm in length, associated with white dolomite crystals. Find in dump mine.
82E-LAUPumpellyite-(Mg) Ca2MgAl2(Si2O7)(SiO4)(OH)2·H2O
Dimensions: 6 cm x 6 cm x 5 cm
Very good aesthetics specimen with rich Pumpellyite on quartz. Specimen has good centre position, deep green colour and perfect definition crystals spray.
HPC-Y1LPrehnite Ca2Al2Si3O10(OH)2
Dimensions: 4 cm x 4.5 cm x 2.5 cm
Largest Crystal Size: 4 mm
The specimen displays excellent white to light green colour crystallized 'ball' of prehnite.
TCA-9QDFluorite CaF2 , Scheelite Ca(WO4)
Dimensions: 5.5 cm x 4 cm x 2.5 cm
Largest Crystal Size: 6 mm
Light blue - green fluorit cube.
Size of xx fluorite:0,6cm
308-MFQScheelite Ca(WO4) , Fluorite CaF2
Dimensions: 5.5 cm x 4 cm x 2.5 cm
Largest Crystal Size: 1.5 cm
These are superb, sharp, highly lustrous crystal of Scheelite with light blue-green Fluorite on matrix.4
Size of xx scheelite:1,5cm
PC9-YQXErythrite Co3(AsO4)2·8H2O
Field of View: 8 mm
Sphere agregat erythrite xx
FOTO: Bohuslav Bureš
8M6-N62Offretite KCaMg(Si13Al5)O36·15H2O
Field of View: 3 mm
Small cavity of Offretite xx.
FOTO: Bohuslav Bureš
