Harjo Neutkens' Photo Gallery
HGQ-EJ4Fluorapatite Ca5(PO4)3F , Chamosite (Fe2+)5Al(Si,Al)4O10(OH,O)8
Sur les Roches quarry, Bastogne, Luxembourg, Wallonia, BelgiumField of View: 0.6 cm
Apatite with chamosite (collected in 2012)
YXW-LMUCalcite CaCO3
La Sambre quarry, Landelies, Montigny-le-Tilleul, Hainaut, Wallonia, BelgiumDimensions: 17 cm x 12 cm x 10 cm
Calcite
FL0-550Rosasite (Cu,Zn)2(CO3)(OH)2 , Quartz SiO2 , Limonite
Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, GermanyField of View: 0.8 cm
Rather 'brainy' rosasite on limonite staned quartz
Q7X-GURRosasite (Cu,Zn)2(CO3)(OH)2 , Quartz SiO2
Rohdenhaus Quarry, Rohdenhaus, Wülfrath, Mettmann, Düsseldorf, North Rhine-Westphalia, GermanyField of View: 0.8 cm
Rosasite on quartz
J43-R5PPyrite FeS2
Ovifat, Robertville, Waimes, Liège, Wallonia, BelgiumDimensions: 5 cm x 4 cm x 1 cm
Pyrite
AA3-MWKQuartz SiO2 , Albite Na(AlSi3O8) , Microdiorite, Porphyry, Chlorite Group
Porphyry quarry, Bierghes, Rebecq, Walloon Brabant, Wallonia, BelgiumDimensions: 12 cm x 8 cm x 7 cm
Fadenquartz with chlorite and albite on microdiorite ('porphyry') matrix
JD7-63FDolomite CaMg(CO3)2 , Quartz SiO2 , Hematite Fe2O3
Porphyry quarry, Bierghes, Rebecq, Walloon Brabant, Wallonia, BelgiumField of View: 0.8 cm
Dolomite negatives in quartz.
The dolomite crystals grew on hematite stained quartz that later crystalised further resulting in a layer of clear quartz and the dissolution of the dolomite crystals, leaving the negative forms in the quartz.
QXX-DW9Turquoise CuAl6(PO4)4(OH)8·4H2O , Quartz SiO2
Pagani quarry, Ottré, Bihain, Vielsalm, Luxembourg, Wallonia, BelgiumField of View: 1 cm
Turquoise on quartz
FDM-NVXTurquoise CuAl6(PO4)4(OH)8·4H2O , Quartz SiO2
Pagani quarry, Ottré, Bihain, Vielsalm, Luxembourg, Wallonia, BelgiumDimensions: 9 cm x 7 cm x 5 cm
Turquoise on quartz in a typical coticule 'cresse' (local name for a quartz veinlet in coticule)
Q1L-1KPTurquoise CuAl6(PO4)4(OH)8·4H2O , Quartz SiO2
Pagani quarry, Ottré, Bihain, Vielsalm, Luxembourg, Wallonia, BelgiumDimensions: 7 cm x 6 cm x 3 cm
Turquoise on quartz in a typical coticule 'cresse' (local name for a quartz veinlet in coticule)