Wulfenite

<p>Wulfenite is a <a href="/facts/Lead/EYljasJN">lead</a> <a href="/facts/Molybdate/YPvSY2jM">molybdate</a> <a href="/facts/Mineral/LkUFbNmv">mineral</a> with the formula <a href="/facts/Lead/EYljasJN">Pb</a><a href="/facts/Molybdenum/RX6vp2bF">Mo</a><a href="/facts/Oxygen/acyn6o8r">O</a>4. It often occurs as thin tabular crystals with a bright orange-red to yellow-orange color, sometimes brown, although the color can be highly variable. In its yellow form it is sometimes called "yellow lead ore".
</p><p>It crystallizes in the <a href="/facts/Tetragonal_crystal_system/12Aop255">tetragonal system</a>, often occurring as stubby, pyramidal or tabular crystals. It also occurs as earthy, granular masses. It is found in many localities, associated with <a href="/facts/Lead/EYljasJN">lead</a> <a href="/facts/Ore/kgc9DssX">ores</a> as a <a href="/facts/Weathering/uSYGlv0H">secondary mineral</a> associated with the <a href="/facts/Redox/Pyd5RVcj">oxidized</a> zone of lead deposits.  It is also a secondary ore of <a href="/facts/Molybdenum/RX6vp2bF">molybdenum</a>, and is sought by collectors.
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Wulfenite