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3" Hematite Pseudomorph after Siderite on Smoky Quartz - Colorado
What we have here is an interesting cluster of hematite pseudomorph after siderite crystals, clustered over several beautifully terminated smoky quartz crystals. It was mined from a private claim near Lake George in Teller County, Colorado.
Hematite is a fairly common mineral, typically responsible for the red-brown colorations found in other minerals and rocks. Its chemical composition is Fe2O3, occasionally containing small amounts of titanium (variable formula (Fe,Ti)2O3). Much of the time, non-crystalline hematite specimens are the result of a transformation from limonite following loss of water.
About Smoky Quartz
Smoky quartz is a variety of quartz distinguished by its smoky gray to deep brown or nearly black coloration, a name inspired by the hazy, smoke-like appearance within the crystal. While some specimens can appear very dark or even opaque, most smoky quartz remains at least partially translucent, allowing light to pass through its internal veils and zoning. The color develops when trace amounts of aluminum within the quartz lattice are exposed to natural irradiation over geologic time, subtly altering the crystal structure and producing its characteristic smoky tones.
Smoky quartz is a variety of quartz distinguished by its smoky gray to deep brown or nearly black coloration, a name inspired by the hazy, smoke-like appearance within the crystal. While some specimens can appear very dark or even opaque, most smoky quartz remains at least partially translucent, allowing light to pass through its internal veils and zoning. The color develops when trace amounts of aluminum within the quartz lattice are exposed to natural irradiation over geologic time, subtly altering the crystal structure and producing its characteristic smoky tones.
SPECIES
Hematite & Quartz var. Smoky
LOCATION
Lake George, Teller County, Colorado
SIZE
3 x 2.15"
CATEGORY
ITEM
#259948
