Tag: Montmorillonite
Price $25 A very nice specimen from this extinct location of lustrous round balls of dark brown siderite with colourless phillipsite on blue-grey montmorillonite. Boxed Thumbnail. Ex Brian…
Price $25 A very nice specimen from this extinct location of lustrous round balls of dark brown siderite with colourless phillipsite on blue-grey montmorillonite. Boxed Thumbnail. Ex Brian…