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Mindat News

• 5th May 2013 Changsha Show - next week
• 14th April 2013 NY-NJ Gem and Mineral Show 2013
• 31st March 2013 Coming Soon: NY-NJ Show and beyond
• 20th March 2013 Tucson 2013 - The TGMS Show
• 23rd February 2013 Tucson 2013 - Westward Look Show
• 10th February 2013 Tucson 2013 - Crystalline Treasures of China ...
• 9th February 2013 Tucson 2013 - "Inn Suites" Show
• 8th February 2013 Tucson 2013 - The Pueblo Gem and Mineral Show
• 24th January 2013 Tucson 2013 - Don't miss these events
• 20th November 2012 Mindat.org Conference 2012 - Morocco
• Older News ArticlesClick here to view all older mineral news articles

New Discussions

• Re: Blatant manipulation of color photographs18:43 20th May 2013 - posted by Jeff Weissman
• Re: American Tunnel mine carbonate18:35 20th May 2013 - posted by Steve Hardinger
• Re: West Coast USA Collector18:25 20th May 2013 - posted by Zach Ratley
• Re: Blatant manipulation of color photographs18:14 20th May 2013 - posted by Sofia Mathauser
• Re: Giant Wisconsin Plagioclase Crystals18:08 20th May 2013 - posted by Doug Daniels
• Re: Blatant manipulation of color photographs17:52 20th May 2013 - posted by Timothy Blackwood
• Re: German Arsenic CRYSTALS?17:48 20th May 2013 - posted by Simone Citon
• Re: Blatant manipulation of color photographs17:47 20th May 2013 - posted by Ronald J. Pellar
• Re: German Arsenic CRYSTALS?17:19 20th May 2013 - posted by Gunnar Färber
• Re: NJ collecting buddy16:54 20th May 2013 - posted by Jeffrey D. Wilson
• German Arsenic CRYSTALS?16:00 20th May 2013 - posted by Jasun D. McAvoy
• Re: Turning Inert Hydrogen Peroxide solution15:58 20th May 2013 - posted by Xesor
• Re: Collecting in southern Maine?15:58 20th May 2013 - posted by Vernon Greenwood
• Re: West Coast USA Collector15:53 20th May 2013 - posted by Stephen Rose
• Re: Giant Wisconsin Plagioclase Crystals15:51 20th May 2013 - posted by William Cordua
• Re: Selling everything I own to prospect15:41 20th May 2013 - posted by Ibrahim Jameel
• Re: American Tunnel mine carbonate15:34 20th May 2013 - posted by Timothy Greenland
• Re: The Nature Thread15:28 20th May 2013 - posted by John Truax
• Re: Blatant manipulation of color photographs14:09 20th May 2013 - posted by Jeff Weissman
• Re: Vacant Mines or Abandoned Quarry in Northern ...14:07 20th May 2013 - posted by KC Dalby
• Re: American Tunnel mine carbonate14:04 20th May 2013 - posted by Steve Hardinger
• Re: Selling everything I own to prospect13:48 20th May 2013 - posted by Ralph Bottrill
• Re: Collecting in southern Maine?13:17 20th May 2013 - posted by Woodrow Thompson
• Re: Blatant manipulation of color photographs12:46 20th May 2013 - posted by Vincent Rigatti
• Re: West Coast USA Collector12:29 20th May 2013 - posted by John Montgomery

Dealer News

• 20th May - Webminerals s.a.sNew May Upadate
• 20th May - e-RocksSpoilt for Choice?
• 20th May - YourMineralCollectionNew update online
• 20th May - Minservice.comFerrero & GMineral Updates
• 19th May - e-RocksSunday's Stall
• 18th May - e-Rocks Tin Can Hill Day...
• 17th May - e-RocksA Busy End to a Busy Week!
• 17th May - Wendel MineralsNagyagite, Hessite, Sylvanite
• 16th May - e-RocksThursday's Ins & Outs!
• 16th May - Weinrich Minerals, Inc.New Update/New Auction
• 16th May - Crystal ClassicsEurpean Update 16th May 2013
• 16th May - YourMineralCollectionNew update online
• 16th May - mineralman.comAmazing Auctions ENDING NOW!
• 15th May - Mintreasure.comNew update!
• 15th May - e-Rocks Lots Happening Today!
• 15th May - M&W MineralsWeekly Update
• 15th May - Dakota Matrix MineralsDaily Five
• 14th May - e-RocksTuesday's Carousel!
• 14th May - Weinrich Minerals, Inc.Auction Closing
• 13th May - e-RocksNot Your Ordinary Monday!

New Minerals

• Ag-nuffieldite a synonym of Argentonuffieldite
• Cupromatildite a variety of Matildite
• Argentonuffieldite a variety of Nuffieldite
• Alumino-Magnesiotaramite a synonym of Taramite
• Unnamed (Pb Oxide-Chloride)
• Massicotit a synonym of Massicot
• Stibarsenic a synonym of Stibarsen
• Nickel-Adamin a synonym of Nickeloan Adamite
• Braunite Group
• Unnamed (Bi-Cu-As-Oxide)
• Unnamed (Cu-Oxy-Arsenate)
• Jodblei a synonym of Schwartzembergite
• Bialith a synonym of Wavellite
• Unnamed (Pb-Cu-Bi Selenide)
• Eisentitan a synonym of Ilmenite
• Eisenturmalin a synonym of Schorl
• Eisenspeiskobalt a synonym of Safflorite
• Eisenkobaltkies a synonym of Safflorite
• Eisenniere
• Rathite-V a synonym of Sartorite

New Localities

• Maniema pegmatite, Maniema, Democratic Republic of Congo (Zaïre)
• Hellbergs Mine, Fröå Mines, Åreskutan, Åre, Jämtland, Sweden
• Gustavsgruvan, Fröå Mines, Åreskutan, Åre, Jämtland, Sweden
• Karl Johansgruvan, Fröå Mines, Åreskutan, Åre, Jämtland, Sweden
• Italian Gully, Enfield, Victoria, Australia
• Hornitos District, West Belt, Mariposa Co., California, USA
• Fiumara Cannone, Gerace, Aspromonte Massif, Reggio Calabria Province, Calabria, Italy
• Sweetwater Point, Jerseydale District, Mariposa Co., California, USA
• Jerseydale District, Mariposa Co., California, USA
• Mt Wyatt area, Whitsunday Region, Queensland, Australia
• Jenkins Hillemory Quarry (Richardson; Timertone; Emery; Rosemite Cement; Yosemite Cement), Clearing House, Clearing House District, East Belt, Mariposa Co., California, USA
• Jasper Point, Hunter Valley Mountain, Hunter Valley District, West Belt, Mariposa Co., California, USA
• Indian Peak, Hornitos District, West Belt, Mariposa Co., California, USA
• Kaijo, Shenyang Prefecture, Liaoning Province (Manchuria; Dongbei Region), China
• Santa Cruz Mountain, Hornitos District, West Belt, Mariposa Co., California, USA
• Lautakoski, Pajala, Norrbotten, Sweden
• Bispenæringen, Gamvik, Finnmark, Norway
• Mutolo Mtn., Canolo, Reggio Calabria Province, Calabria, Italy
• Alsen, Krokum, Jämtland, Sweden
• Krokum, Jämtland, Sweden

New/Updated Glossary Entries

• kimberlite - An ultramafic volcanic rock, dominated by olivine, phlogopite and ...
• gemmy - gemmy 1: Having the characteristics (as hardness, brilliance, ...
• amygdaloid - amygdaloid A vesicular or cellular igneous rock, ordinarily ...
• sulphuret - An obsolete old name for sulphides/sulfides ( see sulfuret)
• sulfuret - Pac. The undecomposed metallic ores, usually sulfides. Chiefly ...
• amygdaloidal rock - amygdaloidal rock A rock containing amygdules and/or amygdales, or ...
• amygdaloidal geode - amygdaloidal geode A geode which has formed in and ...
• amygduler - amygduler A lava in which the steam holes have been filled with ...
• amygdale - amygdale A vesicle or vapor cavity of volcanic and occasionally of ...
• amygdule - amygdule or amygdale A vesicle or vapor cavity of volcanic and ...
• amygdaloidal - a. Containing amygdules. Like or pertaining to an ...
• cirque - Cirque A deep steep-walled basin high on a mountain, usually shaped ...
• corrie - Corrie, also spelled Corry. A term used in Scotalnd for a circular ...
• taconite pellets - Taconite pellets are made from taconite ore (cherty or jaspery rock ...
• boxwork - A network of intersecting blades or plates of limonite or other iron ...
• boxwork texture - A texture showing a porous aggregate with plates or septa which ...
• lithophysae - Hollow, bubblelike, or roselike spherulites, usually with a ...
• arrastre - A circular rock-lined pit in which broken ore is pulverized by heavy ...
• ant hill garnets - These are pyrope garnets from Navajo Indian Reservation, McKinley ...
• lutite - A general name used for consolidated rocks composed of silt and/or ...
• pin - A section of metal stock, either round or hexagonal (from an old ...
• shines - A local miners' term for sphalerite in the Franklin, New Jersey, ...
• kidney stone - Kidney stone: a. A nodule of iron stone common in the Oxford clay ...
• inbyae - Gem mining method in Burma. It is a pit which is 6 or more meters in ...
• kobin - Gem mining method in Burma. Today it is seldom used. It is a round ...
• gwè-dwin - Gem mining method in Burma. A gwè-dwin (hard-rock hole) is similar ...
• samyay byôn - This word is the local Burmese term denoting the type of gem-bearing ...
• loo-dwin - The term loo or loo-dwin (twisted holes) is applied to natural caves ...
• letkya-dwin - A type of gem mining in Burma. Found in the karst topography of ...
• lebin - A mining method used for gem mining in Burma. It is a vertical pit, ...
• byôn - This word is the local Burmese term denoting the gem-bearing gravel. ...
• myaw-dwin - A mining method used for gem mining in Burma. On selected ...
• herkimer diamond - Rock crystal, from Herkimer County, N.Y. Shipley Herkimer ...
• zebra stone - Zebra stone is simply a commercial name for a banded brown and white ...
• references, authorities, sources and geographical abbreviations used in the glossary. - This is a list of authorities and sources taken from the list in ...
• morb - An abbreviation for Mid Ocean Ridge Basalt. Said of basalts that form ...
• ttg - An abbreviation for Tonalite, Trondhjemite, and Granodiorite. Found ...
• stock - i. A rarely used term for a chimneylike orebody. Synonym of: ...
• qapf diagram - Within the QAPFM classification scheme proposed by the IUGS, rocks ...
• qapfm classification - The IUGS proposed a now generally accepted scheme for classifying ...
• streckeisen diagram - Synonym of QAPF diagram.
• tas classification - A classification scheme for volcanic rocks based on their bulk ...
• ternary diagram - A ternary diagram is a triangular coordinate system; the edges of the ...
• ultramafites - Collective name for igneous rocks containing 90% or more mafic ...
• basic - 1. Said of an igneous rock with a silica content between 45 and 52 ...
• intermediate - 1. A secondary or auxiliary horizontal passage driven between levels ...
• acidic - 1. Said of an igneous rock with a silica content above 63 ...
• acid - 1. An acid is a chemical compound that produces hydrogen ions when ...
• ultrabasic - 1. Said of an igneous rock with a silica content below 45 weight-% ...
• ultramafic - 1. Igneous rocks that contain more than 90 vol-% mafic minerals are ...

New Articles

• Joe Mulvey - Yesterday2013 Micromounters of New England Annual Symposium
• António Manuel Ináçio Martins - 16th May 2013The origin of Stone
• Alan Melbourne - 11th May 2013Monazite with feldspar inclusions
• Rick Dalrymple - 6th May 2013Fantasy Canyon
• Volker Betz - 6th May 2013Equipment Test
• Jolyon & Katya Ralph - 5th May 2013Changsha Show - next week
• Rick Dalrymple - 21st Apr 2013Cleaning Quartz from Gold Hill, Utah
• Dave Crosby - 9th May 2013Calendars and Cassiterite - the Heavy Mineral that Changed History!
• António Manuel Ináçio Martins - 16th Apr 2013The Bronze Boards of Vipasca
• Steve Rust - 14th Apr 2013The Minerals of the Red Hill Granites, Isle of Skye
• Jolyon & Katya Ralph - 14th Apr 2013NY-NJ Gem and Mineral Show 2013
• Larry Maltby - 6th Apr 2013Keweenaw (Part 1) Keweenaw Point
• Dave Crosby - 4th Apr 2013Petrified Wood 225 MA.
• Frank Festa - 4th Apr 201317. Union City, Pennsylvania Fossil Hunting Trip
• Frank Festa - 2nd Apr 201316. Conneaut Lake, Pennsylvania… Kame and Kettle Topography
• Dave Crosby - 1st Apr 2013Reading Thundereggs
• Jolyon & Katya Ralph - 31st Mar 2013Coming Soon: NY-NJ Show and beyond
• Alan Melbourne - 29th Mar 2013Paramelaconite and Euchroite
• Dave Crosby - 2nd Apr 2013Clay Canyon & the Little Green Monster Variscite Mine
• Dave Crosby - 27th Mar 2013Variscite