Juhele_CZ:
sulphur (S)
Juhele_CZ:
chalcanthite CuSO4 * 5 (H2O)
Juhele_CZ:
honeycomb quartz - different quartz varieties - SiO2
Juhele_CZ:
honeycomb quartz - different quartz varieties - SiO2
Juhele_CZ:
DSCN3284
Juhele_CZ:
quartz - different quartz varieties - SiO2
Juhele_CZ:
berthierite, FeSb2S4
Juhele_CZ:
berthierite, FeSb2S4
Juhele_CZ:
berthierite, FeSb2S4
Juhele_CZ:
siderite (FeCO3), sphalerite (ZnS)
Juhele_CZ:
siderite (FeCO3), sphalerite (ZnS)
Juhele_CZ:
jasper/chalcedony (SiO2)
Juhele_CZ:
jasper/chalcedony (SiO2)
Juhele_CZ:
olivine, El Golfo (Lanzarote, Spain)
Juhele_CZ:
olivine, El Golfo (Lanzarote, Spain)
Juhele_CZ:
quartz - rock crystal - SiO2
Juhele_CZ:
quartz - rock crystal - SiO2
Juhele_CZ:
cinnabarite (HgS)
Juhele_CZ:
cinnabarite (HgS)
Juhele_CZ:
jasper/chalcedony (SiO2)
Juhele_CZ:
jasper/chalcedony (SiO2)
Juhele_CZ:
quartz - different quartz varieties (smoky, milky ...) - SiO2
Juhele_CZ:
quartz - different quartz varieties (smoky, milky ...) - SiO2
Juhele_CZ:
quartz - different quartz varieties (smoky, milky ...) - SiO2
Juhele_CZ:
aragonite (CaCO3)
Juhele_CZ:
aragonite (CaCO3)
Juhele_CZ:
aragonite (CaCO3)
Juhele_CZ:
quartz (SiO2), pyrite FeS2
Juhele_CZ:
halite (NaCl)
Juhele_CZ:
tetrahedrite (Cu, Fe, Ag, Zn) 12 (Sb, As) 4S13
