04 Oxide minerals

The oxide mineral class includes those minerals in which the oxide anion (O2-) is bonded to one or more metal ions. http://en.wikipedia.org/wiki/Oxide_minerals The hydroxide bearing minerals are typically included in the oxide class. The minerals with complex anion groups such as the silicates, sulfates, carbonates and phosphates are classed separately.
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12y
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Petronio Pérez Olaguer
a piece of silver foil sitting on top of a blue surface
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite has been the chief tin ore throughout ancient history and remains the most important source of tin today.
an iceberg floating in the ocean with sun shining through it's reflection on the water
Ice is water frozen into a solid state. http://en.wikipedia.org/wiki/Ice
an orange and yellow diamond sitting on top of ice
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<3 Tellurite - Bambolla Mine, Moctezuma, Sonora, Mexico.
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Morion is a name used for Smoky Quartz that is very dark brown / black and opaque.
ø Morion | The Gemstone List ø
Morion is a name used for Smoky Quartz that is very dark brown / black and opaque.
Thorianite - Andranondambo, Tulear prov., Madagascar
Thorianite - Andranondambo, Tulear prov., Madagascar
some sort of rock that looks like it is made out of glass and rocks with black crystals on top
Cassiterite (SnO2) on Tourmaline. Found in granite pegmatites and alluvial placer deposits