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Microcline from
Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA


Locality type:Pegmatite
Classification
Species:Microcline
Formula:K(AlSi3O8)
Comments:Crystals in pegmatite occur up to 40 cm, sometimes intergrown with orthoclase. These intergrowths display a bright blue schiller that when cabbed displays a blue "cat's eye" effect.
Luminescent properties:Vermillion-red (SW)
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Extremely common
Confirmation
Validity:Confirmed
Confirmation Methods:Visual (Fluorescence)
Associated Minerals Based on Photo Data:
Biotite8 photos of Microcline associated with Biotite at this locality.
Quartz6 photos of Microcline associated with Quartz at this locality.
Molybdenite3 photos of Microcline associated with Molybdenite at this locality.
Gadolinite3 photos of Microcline associated with Gadolinite at this locality.
Thorogummite2 photos of Microcline associated with Thorogummite at this locality.
Behoite2 photos of Microcline associated with Behoite at this locality.
Gadolinite-(Y)2 photos of Microcline associated with Gadolinite-(Y) at this locality.
Chlorophane2 photos of Microcline associated with Chlorophane at this locality.
Milky Quartz2 photos of Microcline associated with Milky Quartz at this locality.
Fluorite2 photos of Microcline associated with Fluorite at this locality.
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:400383
Long-form Identifier:1:3:400383:0
GUID (UUID V4):153d53c7-d536-42c6-81f6-72b1967447db
References
Reference Search (possible matching items)
Journal (issue)
Study of Minerals of the Pegmatite of the Petrick Granite Quarry, Llano County, Texas ......................SCFMS Vice President for District II Southeast Texas ............................. 34 SCFMS Safety Report...Study of Minerals of the Pegmatite of the Petrick Granite Quarry, Llano County, Texas by Arthur Smith, Frank...Introduction he Petrick pegmatite is located in the Kingsland Granite Company (Petrick) quarry situated just...Buchanan. There is another Petrick granite quarry to the south, 1 mile N of Kingsland (Barnes, Dawson, and
Journal (issue)
field-collecting event. A large pegmatite boulder from the famous Gillette quarry in Connecticut yielded some...1) frequently occurs within sodium-lithium type granite pegmatitcs; other samples For the sake of clarification...chromophore and various colors and the chemical causes County, Utah. Source: Photographic Guide to Mineral the...nearly so) of cases. Aquamarines often occur in granite pegmatites but may beryl crystals ha\'e been examined...currently the primary mineralogical publication in the USA. was always meant to be kept. We know this for at
Journal (article/letter/editorial)
Fregeneda-Almendra (FA) are two different localities where pegmatite fields have been described. These regions are...Portugal and western Spain, respectively. Granitic pegmatite-aplite bodies are widely known in both regions...possible to find different types of granitic pegmatite-aplite bodies. To date, the following lithium...nite, cookeite, and eucryptite. The granitic pegmatite-aplite bodies with lithium minerals are located...clearly defined. In contrast, at the FA region the pegmatite-aplite bodies have a zoned spatial distribution:
Journal (issue)
well-known Ukrainian heliodor occurrence and its many pegmatite minerals. Like its predecessor locality issues...history, geology, mineralogy and a discussion of pegmatite origins, all with exceptional photography of many...is interesting and well diagramed. Chapter 4, Pegmatite Minerals, extends 72 pages and is further divided...Huizing, 534 I Thrasher Dr, Cincinnati OH 45247 USA Please, make checks payable to Mineralogical Almanac...1907, Endicott discoYered amazon stone in Custer County, aquamarine and rose quartz at the Wild Rose claim
Journal (issue)
Photo: 5.1.Pekov. The Baringer Hill Pegmatite Llano County, Texas Art Smith artsmithite@msn.com Introduction...Introduction This article on the Baringer Hill pegmatite does not contain new or addition historical or mineralogical...purchased along with other Texas minerals. Also a collecting field trip to the Llano area was carried out during...emphasis on possibly similar rare-earth pegmatite collecting in Llano and Burnet counties. It was hoped that...Hill and other related pcgmatites Baringer Hill Pegmatite (Continued from page 1) Mineral All on the chart
Journal (issue)
.............. 3 Spring Collecting Trip to the Texas Hill Country .....................................and desserts. I Spring Collecting Trip to the Texas Hill Country by Art Smith artsmithite@msn.com Member... knew that making a collecting trip to central Texas May 12–18 might be pushing my luck a bit as far...still there but not as strong. Heading northeast to Llano, I decided to take the Willow City scenic loop and...missed the Coal Creek serpentinite and the visible quarry that was just a few hundred feet off the road to
Journal (issue)
.............. 5 The Baringer Hill Pegmatite, Llano County, Texas .....................................online and find a list of U.S. Representatives from Texas. There will be addresses, phone, and FAX numbers...in their district. Fortunately we have several Texas Representatives who will accept an e-mail from you...increase. Rep. Ted Poe (R) also allows emails from Texas constituents, not just his District. I believe Gene...Gene Green (D) does also. The following additional Texas Representatives appeared to accept my e-mails to
Show/Event (guide)
lecture about the huge beryl crystals at the Bumpus Quarry, he was hooked. Tonight, John will dispel some...Rossmanite and associated minerals from Newcomb, Essex County, NY by M. Lupulescu & J. Rakovan T h e minerals...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New York by M. R. Walter, S. C. Chamberlain, R...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New Y o r k by S. C. Chamberlain, M. R. Walter...Pyrochlore-group minerals form the Wausau Complex, Marathon County, W I by T. W. Buchholz, A. U. Falster, and W. B
 
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