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Mineralogical Classification

The scientific classification of mineral species. For ID questions see Identity Help in How To section 
Subject Posts Last Post

A novel sheet topology in the structure of kamitugaite

by Marco E. Ciriotti
1 01/17/2018 06:20PM
Last Post by Marco E. Ciriotti

Second global occurrence of middlebackite near the Passo di San Lugano (Carano, Trento, Italy)

by Marco E. Ciriotti
1 01/15/2018 02:38PM
Last Post by Marco E. Ciriotti

The Mineral Stützite: a Zintl-Phase or Polar Intermetallic?

by Marco E. Ciriotti
4 01/09/2018 02:07PM
Last Post by Uwe Kolitsch

Ti- and Nb-rich osbornite from impactite in Scotland

by Uwe Kolitsch
3 01/02/2018 07:03PM
Last Post by Pavel Kartashov

Crystal structure of epifanovite

by Marco E. Ciriotti
1 12/26/2017 10:52AM
Last Post by Marco E. Ciriotti

Nickellotharmeyerite missing in Tsumcorite group

by Hartmut Hensel
2 12/19/2017 05:29PM
Last Post by Uwe Kolitsch

Revision of the crystal structure and chemical formula of zvyaginite

by Marco E. Ciriotti
1 12/18/2017 06:00PM
Last Post by Marco E. Ciriotti

Nomenclature and classification of the seidozerite-supergroup with some renamings

by Marco E. Ciriotti
1 12/18/2017 03:13PM
Last Post by Marco E. Ciriotti

Crystal structure determination of a ginorite specimen from Larderello type-locality

by Marco E. Ciriotti
1 12/17/2017 10:45AM
Last Post by Marco E. Ciriotti

Vesuvianite from the Somma-Vesuvius Complex: New Data and Revised Formula

by Marco E. Ciriotti
1 12/16/2017 11:52AM
Last Post by Marco E. Ciriotti

Alteration of steenstrupine-(Ce) from the Ilímaussaq alkaline complex, South Greenland

by Marco E. Ciriotti
1 12/13/2017 08:40AM
Last Post by Marco E. Ciriotti

Denisovite structure

by Marco E. Ciriotti
1 12/12/2017 10:59AM
Last Post by Marco E. Ciriotti

On the crystal-chemistry of rosasite and parádsasvárite

by Marco E. Ciriotti
2 12/11/2017 10:26AM
Last Post by Uwe Kolitsch

Nanocrystalline structure of "basaluminite", an aluminum hydroxide sulfate from acid mine drainage

by Marco E. Ciriotti
2 12/07/2017 02:56PM
Last Post by Uwe Kolitsch

Whole‐nanoparticle atomistic modeling of the schwertmannite structure from total scattering data

by Marco E. Ciriotti
2 12/06/2017 02:58PM
Last Post by Uwe Kolitsch

Crystal structure of vanuralite

by Marco E. Ciriotti
1 11/29/2017 12:21PM
Last Post by Marco E. Ciriotti

Magnesio-riebeckite from the Varenche mine (Aosta Valley, Italy): crystal-chemical characterization of a grandfathered end-member

by Marco E. Ciriotti
2 11/22/2017 06:32PM
Last Post by Uwe Kolitsch

Structural, chemical and spectroscopic re-examination of type uklonskovite leads to its redefinition

by Marco E. Ciriotti
1 11/22/2017 05:23PM
Last Post by Marco E. Ciriotti

Crystal-structure refinement and high-temperature X-ray diffraction study of batisite

by Marco E. Ciriotti
1 11/20/2017 09:57AM
Last Post by Marco E. Ciriotti

Crystal structure of loparite: a new acentric variety

by Marco E. Ciriotti
1 11/20/2017 09:56AM
Last Post by Marco E. Ciriotti

The type locality of barringerite

by Jolyon & Katya Ralph
7 11/12/2017 03:10PM
Last Post by Kevin Conroy

Fake localities

by Jolyon & Katya Ralph
3 11/12/2017 01:29PM
Last Post by Alfredo Petrov

Crystal-chemical aspects of the roméite group

by Marco E. Ciriotti
1 10/31/2017 10:53AM
Last Post by Marco E. Ciriotti
This topic has been moved.

Please help ID this pressumed sulphide. Attachments

by mark gallimore
  This topic has been moved.
This topic has been moved.

Is this gwindel quartz? Attachments

by Rien Hartman
  This topic has been moved.

New data on hemihedrite from Arizona

by Marco E. Ciriotti
1 10/27/2017 08:38AM
Last Post by Marco E. Ciriotti

Refinement of the crystal structure of sieleckiite and revision of its symmetry

by Marco E. Ciriotti
1 10/27/2017 08:37AM
Last Post by Marco E. Ciriotti

Commensurately modulated structure of parabutlerite

by Marco E. Ciriotti
1 10/19/2017 07:31AM
Last Post by Marco E. Ciriotti

Crystal structure determination of karibibite

by Marco E. Ciriotti
2 10/18/2017 09:49AM
Last Post by Uwe Kolitsch

IMA 2016-G = girdite discreditation

by Marco E. Ciriotti
2 10/18/2017 09:44AM
Last Post by Uwe Kolitsch

Cancrinite-vishnevite solid solution from Cinder Lake (Manitoba, Canada)

by Marco E. Ciriotti
2 10/16/2017 08:08PM
Last Post by Rob Woodside
This topic has been moved.

what to do about 'vulcanite' Attachments

by Dona Leicht
  This topic has been moved.

Crystal structure of the OH-dominant gadolinite-(Y) analogue

by Marco E. Ciriotti
1 10/03/2017 01:21PM
Last Post by Marco E. Ciriotti

A commensurately modulated structure of parabutlerite

by Marco E. Ciriotti
1 10/03/2017 01:19PM
Last Post by Marco E. Ciriotti

Multidimensional structural variation in the cyano­trichite family of merotypes: camérolaite-3b-F-1

by Marco E. Ciriotti
1 10/03/2017 01:16PM
Last Post by Marco E. Ciriotti

Unnamed Au1.5Pb and AuPb

by Uwe Kolitsch
4 09/30/2017 06:13PM
Last Post by Uwe Kolitsch

Crystal structure of sopcheite, Ag4Pd3Te4, from the Lukkulaisvaara intrusion, Karelia, Russia

by Marco E. Ciriotti
1 09/28/2017 07:37AM
Last Post by Marco E. Ciriotti
This topic has been moved.

Identifying Petalite Vs Rose Quartz Attachments

by The Walking Rock
  This topic has been moved.
This topic has been moved.

Gartrellite (?) from Mt. Bonnie mine, Grove Hill, AUS Attachments

by Joan Rosell
  This topic has been moved.

First crystal-structure determination of natural lansfordite

by Marco E. Ciriotti
3 09/07/2017 05:17PM
Last Post by Mark Heintzelman

Crystal structure of richetite revisited: crystallographic evidence for the presence of pentavalent uranium

by Marco E. Ciriotti
1 09/07/2017 09:33AM
Last Post by Marco E. Ciriotti

X-ray diffraction and spectroscopic study of wiluite: implications for the vesuvianite-group nomenclature

by Marco E. Ciriotti
1 09/07/2017 09:32AM
Last Post by Marco E. Ciriotti

Crystal structure of mineral fibres: Actinolite asbestos

by Marco E. Ciriotti
1 09/07/2017 09:09AM
Last Post by Marco E. Ciriotti

Crystal structure of chlorinated mineral of cancrinite group with bystrite-type framework

by Marco E. Ciriotti
1 09/07/2017 09:08AM
Last Post by Marco E. Ciriotti

Crystal chemistry of zinc incorporation in strunzite-group minerals containing zeolitic water

by Marco E. Ciriotti
1 09/07/2017 09:06AM
Last Post by Marco E. Ciriotti

Modular structure of highly ordered hydrated eudialyte

by Marco E. Ciriotti
1 09/07/2017 09:03AM
Last Post by Marco E. Ciriotti

Crystal Structure of Lisiguangite

by Marco E. Ciriotti
1 09/03/2017 07:35PM
Last Post by Marco E. Ciriotti

M 27 Rasvumtchorr

by Hans Kloster
2 08/29/2017 09:57AM
Last Post by Pavel Kartashov

An interesting paper on the CMNMMN of the IMA (a History)

by Alysson Rowan
3 08/24/2017 08:28AM
Last Post by Alysson Rowan

New [Fe2N, Fe3N, and Fe9(N,C)4] found as inclusions in putative lower mantle-derived diamond

by Uwe Kolitsch
1 08/22/2017 05:03PM
Last Post by Uwe Kolitsch

Obtaining Credit As First Discoverer

by Leo Scarpelli
6 08/21/2017 10:56PM
Last Post by Pavel Kartashov

Nomenclature: "Pyrolusite" Dendrites

by Alysson Rowan
15 08/18/2017 01:34AM
Last Post by Doug Daniels
This topic has been moved.

this is a mineral or ore i found and im wondering what this is any ideas? Attachments

by connor caffrey
  This topic has been moved.
This topic has been moved.

Green rock i got from my cousin's countertop store Attachments

by Austin Taylor
  This topic has been moved.

Modular structure of highly ordered eudialyte and its place among hydrated minerals of rastsvetaevite family

by Marco E. Ciriotti
1 08/08/2017 02:34PM
Last Post by Marco E. Ciriotti

Crystal structure of chlorinated mineral of cancrinite group with bystrite-type framework

by Marco E. Ciriotti
1 08/08/2017 02:33PM
Last Post by Marco E. Ciriotti

Growth oscillatory zoning in erythrite: Structural variations in vivianite-group minerals

by Marco E. Ciriotti
1 08/08/2017 02:32PM
Last Post by Marco E. Ciriotti
This topic has been moved.

Mineral determine Attachments

by gold9999
  This topic has been moved.
This topic has been moved.

Metallic Mineral Classification Attachments

by Robert Pummell
  This topic has been moved.

Crystal structure and phase transition in noelbensonite: a multi-methodological study

by Marco E. Ciriotti
1 07/16/2017 08:14AM
Last Post by Marco E. Ciriotti

Ferrosilite

by Jolyon & Katya Ralph
4 07/06/2017 05:28PM
Last Post by Tony Nikischer
This topic has been moved.

Geode Rock for Identification

by Ben nko
  This topic has been moved.

Structure refinements of kamchatkite and alumoklyuchevskite

by Marco E. Ciriotti
1 06/30/2017 04:46PM
Last Post by Marco E. Ciriotti

Crystal chemistry of Al–V–Cr oxy-tourmalines from Sludyanka complex, Lake Baikal, Russia

by Marco E. Ciriotti
1 06/30/2017 04:29PM
Last Post by Marco E. Ciriotti

Modularity of crystal structures: a unifying model for the biopyribole–palysepiole series

by Marco E. Ciriotti
1 06/30/2017 04:25PM
Last Post by Marco E. Ciriotti

A new uranyl phosphate sheet in the crystal structure of furongite

by Marco E. Ciriotti
1 06/30/2017 04:22PM
Last Post by Marco E. Ciriotti

Crystal-chemical relations and classification problems belonging to the oxy-schorl – oxy-dravite – bosiite – povondraite series

by Marco E. Ciriotti
1 06/30/2017 04:19PM
Last Post by Marco E. Ciriotti
This topic has been moved.

La Marina Mine, Mun. de Pauna, Boyacá Department, Colombia

by Milton Dye
  This topic has been moved.
This topic has been moved.

mica Attachments

by jeff d martin
  This topic has been moved.
This topic has been moved.

Composition of Puzzler Mine Vanadinite

by Timothy Blackwood
  This topic has been moved.

Hydrogen bonding and structural complexity of the Cu3(AsO4)(OH)3 polymorphs (clinoclase, gilmarite): a theoretical study

by Marco E. Ciriotti
1 06/13/2017 03:06PM
Last Post by Marco E. Ciriotti

Polytypism of cronstedtite from Chyňava, Czech Republic

by Marco E. Ciriotti
1 06/13/2017 03:04PM
Last Post by Marco E. Ciriotti

Crystal structure of the (REE)-uranyl carbonate mineral shabaite-(Nd)

by Marco E. Ciriotti
1 06/13/2017 03:02PM
Last Post by Marco E. Ciriotti

New crystallographic data and formula revision of phuralumite

by Marco E. Ciriotti
1 06/13/2017 03:00PM
Last Post by Marco E. Ciriotti

Decomposition of konyaite: CO2 fixation in mine tailings

by Marco E. Ciriotti
5 06/12/2017 11:05PM
Last Post by Stuart Mills

Crystal chemistry of oxo-mangani-leakeite and mangano-mangani ungarettiite

by Marco E. Ciriotti
1 06/12/2017 06:39AM
Last Post by Marco E. Ciriotti
This topic has been moved.

Rhodochrosite from ??? Attachments

by ryan christensen
  This topic has been moved.

How to define, redefine or discredit a mineral species?

by Stuart Mills
1 06/06/2017 01:35AM
Last Post by Stuart Mills

mindat confusion about approved vs. grandfather status

by Johan Kjellman
5 06/05/2017 05:10PM
Last Post by David Von Bargen

Revision of the crystal structure of jinshajiangite

by Marco E. Ciriotti
1 05/31/2017 08:13AM
Last Post by Marco E. Ciriotti



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