Limonite - The Mineral and Gemstone Kingdom
Limonite is extremely common and forms the coloring matter in many soils. It is also responsible for the coloring on the weathered surfaces of rocks. Much Limonite, especially the fibrous type, …
The Mineral hemimorphite - The Mineral and Gemstone Kingdom
The famous Ojuela Mine in Mapimi, Durango is one of the most prolific Hemimorphite localites, forming well-shaped crystals on a Limonite matrix. Very large white crystals and fans have …
The Mineral siderite - The Mineral and Gemstone Kingdom
Limonite, an amorphous mineral, is commonly found in rhombohedral crystals, as it frequently pseudomorphs after Siderite. Concretionary Siderite nodule s are noted for containing a wide …
Adamite: The mineral Adamite information and pictures
Adamite crystals are usually embedded in rusting, crumbly, brown Limonite matrix that stain the hands. Since the Limonite crumbles when scrubbed, care must be exercised when washing …
The Mineral goethite - The Mineral and Gemstone Kingdom
Goethite is a common mineral, and is a frequent matrix material for other more aesthetic minerals. It is usually a dark, uninteresting mineral, though specimens from a handful of locations …
Limonite Pseudomorph After Pyrite - The Mineral and Gemstone …
Three intergrown Limonite pseudomorphs after cubic Pyrite crystals up to 17 mm. The original surface striations of the original Pyrite are still visible. Limonite frequently forms pseudomorphs …
Limonite pseudomorphs after Calcite - The Mineral and Gemstone …
Limonite pseudomorphs after Calcite from Silver Hill Mine, Pima County, Arizona
Limonite pseudomorphs after Pyrite - The Mineral and Gemstone …
Limonite pseudomorphs after Pyrite from Porter, Stanly County, North Carolina
The Mineral jarosite - The Mineral and Gemstone Kingdom
Jarosite's crystal forms combined with its color easily identify it. However, poorly crystallized examples and massive forms of Jarosite may be difficult to distinguish from other minerals, …
The Mineral chrysocolla - The Mineral and Gemstone Kingdom
Detailed description, properties, locality information guide about the blue mineral chrysocolla.