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Mindat News

• 25th May 2013 1st Changsha Mineral and Gem Show, China 2013
• 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
• Older News ArticlesClick here to view all older mineral news articles

New Discussions

• Re: Hemimorphite with gray crystals18:51 19th Jun 2013 - posted by Dan Costian
• Re: Hemomorphite with gray crystals18:49 19th Jun 2013 - posted by Dan Costian
• Re: Native Copper or Smelter Specimen18:34 19th Jun 2013 - posted by Bill Morgenstern
• Re: What's the Deal with Tennessee and West ...18:01 19th Jun 2013 - posted by Walter Kellogg
• Re: BLM Confusion Regarding Placer Claims17:55 19th Jun 2013 - posted by Lawrence Dee
• Re: Mindat chat room17:04 19th Jun 2013 - posted by Sheri Johnson (2)
• Re: What's the Deal with Tennessee and West ...16:45 19th Jun 2013 - posted by Jamison K. Brizendine
• Re: Collecting in Montana?15:53 19th Jun 2013 - posted by helpful1
• Re: Trying to figure out how to polish this inner ...15:49 19th Jun 2013 - posted by Nick Prince
• Re: Hemomorphite with gray crystals15:35 19th Jun 2013 - posted by Tim Jokela Jr
• Re: What's the Deal with Tennessee and West ...15:32 19th Jun 2013 - posted by Tim Jokela Jr
• Re: What's the Deal with Tennessee and West ...15:04 19th Jun 2013 - posted by Fred E. Davis
• Re: does super iron out hurt siderite?14:05 19th Jun 2013 - posted by Harold Moritz
• Hemimorphite with gray crystals13:31 19th Jun 2013 - posted by Dan Costian
• Re: Overlooked potential POTD's(?)13:20 19th Jun 2013 - posted by Erik Vercammen
• Re: Help identifying 10 specimens13:19 19th Jun 2013 - posted by Stephanie Martin
• Re: What's the Deal with Tennessee and West ...13:13 19th Jun 2013 - posted by Rock Currier
• Re: Vermont locality errors13:09 19th Jun 2013 - posted by Chester S. Lemanski, Jr.
• Re: Please help me identifying some minerals13:07 19th Jun 2013 - posted by Stephanie Martin
• Re: Largest Xenotime Specimens Found12:30 19th Jun 2013 - posted by Trevor Dart
• Re: Given Zerene Stacker a go...11:58 19th Jun 2013 - posted by Steve Sorrell
• Re: Given Zerene Stacker a go...11:55 19th Jun 2013 - posted by Steve Rust
• Re: Please help me identifying some minerals11:48 19th Jun 2013 - posted by Mario Pauwels
• does super iron out hurt siderite?11:18 19th Jun 2013 - posted by Jonathan Ertman
• Re: Gilsum Rock Swap 201311:17 19th Jun 2013 - posted by Lee Champigny

Dealer News

• 19th Jun - M&W MineralsWeekly Update
• 19th Jun - e-RocksMore great minerals today!
• 19th Jun - Minernet di Polydea s.a.s.June update
• 18th Jun - Webminerals s.a.sNew Update
• 18th Jun - e-RocksTuesday's Line Up!
• 18th Jun - Weinrich Minerals, Inc.New Update/Auction Closing
• 17th Jun - e-RocksGreat Minerals Great Photos
• 17th Jun - Crystal ClassicsWorld Update
• 16th Jun - e-RocksSunday's auctions!
• 15th Jun - e-RocksJust One Auction
• 14th Jun - Mintreasure.comNew update!
• 14th Jun - e-RocksFriday's Show & Tell
• 14th Jun - Dakota Matrix MineralsNew Additions Today!
• 14th Jun - Minservice.comMinservice & Rolando upd.
• 14th Jun - YourMineralCollectionNew Update & Auction
• 13th Jun - Mintreasure.comNew update!
• 13th Jun - e-RocksLots More Auctions Lots!
• 13th Jun - Webminerals s.a.s...only Rare: 46 new specimens
• 13th Jun - mineralman.comAmazing Auctions ENDING NOW!
• 13th Jun - David K. JoycePeruvian Minerals

New Minerals

• Ferroaugite a variety of Augite
• Cordylite Group
• Unnamed (Ca-Ba carbonate)
• Hyalith a synonym of Opal-AN
• Horn lead a synonym of Phosgenite
• Gouttes d'eau a synonym of Topaz
• Gooseberry Stone a synonym of Grossular
• Unnamed (Mg-Mn-Sb oxyborate)
• Float-stone a variety of Silica
• Love Arrows a synonym of Rutile
• flèches d'amour a synonym of Rutile
• Mineral Caoutchouc a synonym of Elaterite
• Elastic Bitumen a synonym of Elaterite
• Earth-wax a synonym of Ozocerite
• Durain
• Chrome-diaspore a variety of Diaspore
• Ceylonese Chrysolite a variety of Chrysoberyl
• Cat Sapphire a variety of Sapphire
• Cape Asbestos a variety of Crocidolite
• Ikunolite-Laitakarite Series

New Localities

• Azogues mine, Illapel, Choapa Province, Coquimbo Region, Chile
• Champurria mine, Mantos de Punitaqui District, Punitaqui, Ovalle, Limarí Province, Coquimbo Region, Chile
• Bridgeport, Grant Co., Wisconsin, USA
• Rudolph, Forest Co., Wisconsin, USA
• Little Sand Lake, Forest Co., Wisconsin, USA
• Aurora, Florence Co., Wisconsin, USA
• Knapp Mining and Investment diggings, Dunn Co., Wisconsin, USA
• Athens, Town of Athens, Windham Co., Vermont, USA
• East Dorset, Dorset, Bennington Co., Vermont, USA
• Peru, Bennington Co., Vermont, USA
• Várzea Mine, Várzea dos Cavaleiros, Sertã, Castelo Branco District, Portugal
• Várzea dos Cavaleiros, Sertã, Castelo Branco District, Portugal
• Cordillera de la Sal, San Pedro de Atacama, El Loa Province, Antofagasta Region, Chile
• Castelo da Ribeira das Caldeiras Mine, Sardoal, Sardoal, Santarém District, Portugal
• Sardoal, Sardoal, Santarém District, Portugal
• Vatofotsy, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar
• Unnamed Beryl Occurrence, Bemasoandro, Mahasolo Commune, Tsiroanomandidy District, Bongolava Region, Antananarivo Province, Madagascar
• Burns Creek, West Belt, Mariposa Co., California, USA
• Blair Pond staurolite locality, Blandford, Hampden Co., Massachusetts, USA
• Waltz property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA

New/Updated Glossary Entries

• ganister - i. A hard, fine-grained, particularly pure siliceous grit, quartzose ...
• globulites - Crystallites (i.e., incipient crystals) of minute size and spherical ...
• ghost crystal - See: phantom crystal Ref.: Chambers’s Mineralogical Dictionary ...
• eucrite - A coarse-grained, usually ophitic, deep-seated basic igneous rock ...
• dedolomitization - i. A process resulting from metamorphism, wherein part or all of the ...
• banket - i. A general term for a compact, siliceous conglomerate of ...
• 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 ...

New Articles

• Trevor Dart - 16th Jun 2013Xenotime Occurrences in the Olary District of South Australia
• Stephen Fritz - 12th Jun 2013Franklin, New Jersey Essentials, Part 2: Localities
• Woody Thompson - 12th Jun 2013New England Mineral Conference - 2013
• Stephen Fritz - 9th Jun 2013Franklin, New Jersey Essentials, Part 1: Regional and Local Geology
• Rolf Luetcke - 5th Jun 2013The day I lost my Volkswagen
• Rick Dalrymple - 3rd Jun 2013Gilsonite
• António Manuel Ináçio Martins - 31st May 2013Miguel Vacas Mine
• Jolyon & Katya Ralph - 27th May 20131st Changsha Mineral and Gem Show, China 2013
• Joe Mulvey - 3rd Jun 20132013 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