Hematite vs Rubellite
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Hematite
Hematite is an iron oxide mineral with the chemical formula Fe₂O₃. It commonly appears in metallic gray, black, steel-gray, or reddish-brown forms, and its red streak is a useful identifying feature. Hematite has been used as a source of iron, as a polishing material, and as red ochre pigment in prehistoric art. Its dense appearance and range of finishes also make it familiar in carvings and ornam...
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Rubellite
Rubellite is the gemological term for a red to vivid pink variety of the mineral elbaite, which is part of the tourmaline group. Its coloration is caused by the presence of manganese impurities within the crystal structure. Gem-quality rubellite crystals are primarily sourced from pegmatite deposits in Brazil, Madagascar, Nigeria, and Afghanistan. Valued for its saturated hues and relative durabil...
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