Browse Items (264 total)

Have a look at hornblende amphibole (M201, M211) and biotite mica (M303, M304) in the 1A Reference Series.

Have a look at the granodiorite (L120) in the 1A Reference Series.

Formula Zr[SiO4] Structure Orthosilicate Crystal System Crystal system: tetragonal (+) Physical Properties Colour in hand specimen: reddish brown, yellow, grey, green or colourlessHardness: 7.5 Optical Properties Colour in…

Have a look at quartz (M410, M411, M412) and calcite (M540, M541, M542) in the Reference Series.

Have a look at the rhyolitic glass (L113) and the porphyritic andesite (L130) in the 1A Reference Series.

Have a look at the ferruginous sandstone (L327) and the quartzite (L521) in the 1A Reference Series.