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• webmineral.com/data/Holfertite.shtml
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Yellow prismatic micro crystal of holfertite on clear topaz. Starvation Canyon, Topaz Valley, Juab Co., Utah, USA.

• webmineral.com/specimens/picshow.php?id=2684&target=Holfertite
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The Mineralogical Association of Canada (MAC), a non-profit scientific organization promote and advance the knowledge of mineralogy and the allied disciplines of crystallography ...

• www.mineralogicalassociation.ca/index.php?p=243
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Holfertite. Yellow crystal 2 mm. With red beryl. Starvation canyon, Thomas Range, Utah, USA.

• www.fmm.ru/novpost/91372c1en.htm
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Holfertite : Sokolova E, Hawthorne F C, Belakovskiy D I, Pautov L A: The Canadian Mineralogist 43 (2005) 1545-1552: The OD (order-disorder) structure of holfertite, a hydrated uranyl

• rruff.geo.arizona.edu/AMS/minerals/Holfertite
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Holfertite (TL) Ilmenite Mimetite Opal var: Opal-AN Pseudobrookite Quartz var: Agate var: Amethyst var: Carnelian var: Chalcedony: Ralstonite Rutile var: Niobian Rutile

• www.mindat.org/loc-4154.html
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this is the type locale for the new(ish) uranyl titanate: holfertite, found as brilliant yellow needles to 5mm. see the mineralogical record vol37#4 pg 311 for the superb article ...

• www.shannonsminerals.com/catalog/product_info.php?products_id=30160
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Athena systematic mineral databases ... Mineral: HOLFERTITE: Formula: U 6+ 1.75 Ti 4+ Ca 0.25 O 7.5 (H 2 O) 3 or U 6+ 1.75 Ti 4+ Ca 0.25 O 7.17 (OH) 0.67 (H 2 O) 3

• un2sg4.unige.ch/athena/cgi-bin/minfich?s=HOLFERTITE
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459 HOLFERTITE Holfertite Pit, Searles Canyon (Starvation Canyon), Thomas Range, Juab County, Utah, USA Use "Back" button to return

• www.simkevmicromounts.com/images/USAPhotos/USAMineralPhotoPages/HOLFERTITE_459.html
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Holfertite Ca-U-Ti hydrated oxide/hydroxide photo1 Ilmenite Fe 2+ TiO 3 (unconfirmed, probably not) Magnetite Fe 2+ Fe 3+ 2 O 4 (hematite pseudomorphs after magnetite)

• www.earth.utah.edu/utahfossil/topazmountain.html
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