Labels:book | bulletin board | hakham | monitor | web site OCR: SIDERITE PROFILE This mineral forms as lenohecral crvstals often with curved faces rhombohedral tabular (short and stubby) and sometimes twinned It also occurs in massive granular compact botryoidal (grape -like) and oolitic habits. Siderite is pale yellowish. gray brown greenish reddish or almost black in color The streak is white 1S translucent mineral, and it has vitreous (glasslike), pearly, or silky luster FORMATION Forms in hydrothermal veins, as well as sedimentary strata (layers) scalenohedral crystals
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