Chlorophane Gallery

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Fluorite (Var: Chlorophane) : CaF₂
	East Pool Mine (Pool Old Bal), East Pool and Agar Mine, Carn Brea area, Camborne - Redruth - St Day District, Cornwall, England, UK A dense specimen of Chlorophane from the East Pool Mine.] From an old family collection. Associated minerals incude micro cassiterite and wolfram.Size of this specimen is 70mm x 50mm x 38mm. Collection of P Trebilcock.
	Photo ID: 168363 View Count: 270
Fluorite (Var: Chlorophane) : CaF₂
	Undisclosed pegmatite locality, Burnet Co., Texas, USA 18cm wide specimen of graphic granite containing crystalline inclusions of dark reddish-violet chlorophane fluorite. This particular fluorite luminesces a sky-blue color at room temperature as shown in the thumbnail below. This specimen was self-collected in February of 2007 from a new rare-earth pegmatite in Burnet County, Texas.
© 2007, F. Roberts	Photo ID: 92841 View Count: 694
Fluorite (Var: Chlorophane) : CaF₂
	Badu Hill pegmatite, Llano Co., Texas, USA Thermoluminescent fluorite (chlorophane) emitting blue-green light when heated to 220°C in a porcelain dish atop a laboratory hot plate. The magenta color is the result of a second red emission line at the higher temperature (330°C) at the center of the dish where it contacts the hotplate. This dark purple fluorite is completely decolorized ...
© 2005, F. Roberts	Photo ID: 83366 View Count: 878
Fluorite (Var: Chlorophane) : CaF₂, Hematite : Fe₂O₃, Limonite : FeO(OH)·nH₂O
	Badu Hill pegmatite, Llano Co., Texas, USA 220 gram chunk of thermoluminescent dark purple fluorite showing some euhedral faces from the Badu Hill Pegmatite in Llano County, Texas. Fracture and cleavage surfaces are coated with a thin layer of dark red hematite and yellow limonite that exhibits an iridescent play of color. This coating rarely survives washing.
© 2007, F. Roberts	Photo ID: 86808 View Count: 418
Fluorite (Var: Chlorophane) : CaF₂, Biotite, Microcline : K[AlSi₃O₈]
	Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA This 6cm x 2.5cm specimen of "vug hash" is composed of phosphorescent fluorite in a boxwork of biotite plates. Not visible in this photo is a 0.5 cm crystal of radioactive Fergusonite-Y embedded in the fluorite and protruding from the left-rear of the specimen. This is the "puce" fluorite referred to by William Hidden in his 1905 paper "Some ...
© F.Roberts	Photo ID: 188548 View Count: 359
Fluorite (Var: Chlorophane) : CaF₂
	Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA Chlorophane showing Thermoluminsence from the Petrick Pegmatite. The largest piece of Chlorophane is about 2cm across. Self-Collected by David Aldridge Winter 2007. In the collection of the photographer.
© 08 David Aldridge	Photo ID: 148185 View Count: 115