Siderite, Vivianite, Limonite
Vivianite occurrence, Henderson, Caroline County, Maryland, USA
This micromount of vivianite and siderite from Henderson, Caroline County, Maryland was collected and made by Bob Cox and labeled No. 485. Portions of his collection were on the giveaway tables at the 2024 Leidy Microscopical Society Micromineral Symposium in Philadelphia. Mindat does not list siderite for this locality but clearly, it is ...