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Scalenohedral Form

Scalenohedral Butterfly crystal

Scalenohedral crystals occur in both generations of calcite but are less common from the 2nd generation. Scalenohedrons from the 2nd generation have similar physical properties as the more complex crystals, but are generally much smaller. The photo to the left…
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Dolomite CaMg(CO3)2 and Ferroan Dolomite Ca(Fe2+,Mg)(CO3)2 The main constituent of Western Ohio sediments, Dolomite is one of the most common minerals found in the State. The dolomitic limestones, in Ohio, which are actively quarried for aggregate and lime needs are…
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Barite – BaSO4

The most uncommon mineral known to exist in geodized brachiopods, from the Georgetown area, is Barite. In fact, good Barite crystals from the State of Ohio, are extremely difficult to find. Barite, a sulfate similar to Celestine, has been observed…
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