This site saves small pieces of text information (cookies) on your device for
some key features sich as remembering search results. By browsing this website
you grant us permission to store that information on your device.
We also use other cookies to analyse traffic to this site. You can choose to
allow or disallow this.
If you do not choose whether or not you allow analytics no cookies will work
and the site will not function correctly.
Uranophane-alpha (light yellow radiating spheres) and Uranophane-beta (dark yellow, fan-like, thick needles) on Granite from Miedzianka in Krkonoše near Janowice Wielkie in Poland (Width: 11.5 mm)
Specimen of parsonsite (brown) and torbernite (green), from Pinhal do Souto mine, Tragos, Chãs de Tavares, Mangualde, Viseu District, Portugal. Field of view is 4mm.
Pale greenish radiating spherical aggregates of Pectolite measuring up to 1.3 cm across, from Millington Quarry, Bernards Township, Somerset County, New Jersey, USA