List of QBs selected in first round of NFL draft since 2000. List of QBs selected in first round of NFL draft since 2000
Much Limonite, especially the fibrous type, is either Goethite or alter ed Goethite that absorbed water in its chemical structure. Limonite commonly forms as a pseudomorph over other minerals, especially Pyrite, Marcasite and Siderite.
Perthite is a combination of microcline from the alkali/potassium feldspar group and plagioclase. The more colorful strips are microcline, with plagioclase (usually Albite) forming the white or transparent veining.