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Identity Help

Want to identify an unknown specimen? Ask here! 
Subject Posts Last Post
Sticky

Mineral Identification (How to - PLEASE READ before posting questions)

by Alan Plante
6 07/31/2014 08:48PM
Last Post by David Von Bargen
Sticky

PLEASE READ before answering requests for help!   (Pages: 1 2)

by Jolyon & Katya Ralph
81 02/14/2012 02:46PM
Last Post by Stephan Segedy

Y-Th silicate mineral from Ytterby Attachments

by Yi Sun
4 05/27/2017 02:14AM
Last Post by Reiner Mielke

Butte Montana chalcocite-bornite "Chalcoborn"? Attachments

by Daniel J. Evanich
11 05/27/2017 02:00AM
Last Post by rowena duckworth

Broke this rather dull rock open and found this. Identity help please. Attachments

by Michael Harwell
3 05/27/2017 12:41AM
Last Post by Wayne Corwin

Mineral ID Attachments

by Ben Youssef Malek
2 05/27/2017 12:37AM
Last Post by Paul Brandes

Agate? chalcedony, quartz....? Interesting feature Boytroidial what could the inclusions be? . .? Attachments

by Michael Harwell
4 05/26/2017 10:13PM
Last Post by Bob Harman

I need help with malachite Attachments

by Vera Velini
5 05/26/2017 09:52PM
Last Post by Gary Weinstein

Not a rock person...yet Attachments

by Liz Xfrit
5 05/26/2017 09:43PM
Last Post by Gary Weinstein

Gem silica, chalcedony, chrysocolla ... or what? Attachments

by Jama Crawford
8 05/26/2017 09:36PM
Last Post by Gary Weinstein

Strange Luumäki topaz sample Attachments

by Joel Dyer
3 05/26/2017 02:13PM
Last Post by Pavel Kartashov

Arizona mineral expert needed - Ray/Globe/Inspiration area

by ryan christensen
8 05/22/2017 04:56PM
Last Post by ryan christensen

Please help identify mineral in thin section Attachments

by Irina Tene
7 05/22/2017 01:05PM
Last Post by Ralph Bottrill

Help identify these wnc specimens? Attachments

by Rockgirley
8 05/21/2017 08:32PM
Last Post by Warren Brandt

Unidentified white creamish kinda silver mineral inside amethyst with rutile from Brazil....prob an easy identify but I don't know. Thank you for your time. Attachments

by Aron Lynch
3 05/21/2017 06:04PM
Last Post by Antonio Romano

see what the rock natrolite, neptunit with fluorite and aegirine .... or something unknown Attachments

by diggg 1789
5 05/21/2017 09:59AM
Last Post by diggg 1789

GREEN OBSIDIAN or is it? Attachments

by Lauren
25 05/20/2017 11:07PM
Last Post by Wayne Corwin

Dolomite Crystals forming in unknown matrix Attachments

by Robert Darabos
4 05/20/2017 08:07PM
Last Post by Gregg Little

Strange crystals with voids Attachments

by Giuliano Bettini
9 05/20/2017 07:32AM
Last Post by Giuliano Bettini

Needing mineral identification help Attachments

by Robert Sellers
5 05/20/2017 12:08AM
Last Post by Alfred L. Ostrander

Radial Star-like Crystal in Matrix Attachments

by Robert Darabos
4 05/19/2017 05:33PM
Last Post by Donald B Peck

What is it? Minnesota Rock Attachments

by Joshua Foss
10 05/18/2017 10:32PM
Last Post by Gregg Little

Round globular stone from SW US Attachments

by Rick Reinking
3 05/18/2017 02:35AM
Last Post by Doug Daniels

Is this Onyx? Attachments

by Craig Cocking
3 05/17/2017 10:50PM
Last Post by Gregg Little

Can anyone help decipher the localtiy on this label? Attachments

by Frank P. Butler
4 05/17/2017 04:01PM
Last Post by Pavel Kartashov

Ore of Tin from Bolivia Attachments

by Charles Trezise
7 05/17/2017 01:42AM
Last Post by Kevin Conroy (2)

Possible Barlow Diamond Specimen? Attachments

by KEITH A WILLIAMSON
12 05/16/2017 10:50PM
Last Post by Alfredo Petrov

Minnesota iron country Attachments

by Frank Karasti
8 05/14/2017 11:56PM
Last Post by Thomas Lühr

Guatemalan Jade? Or a knock off? Attachments

by Robert Darabos
7 05/14/2017 08:32PM
Last Post by Owen Lewis

Approx 175 pound rock. Identity help required. Thank you Attachments

by Michael Harwell
6 05/14/2017 02:44PM
Last Post by Gregg Little

red mineral associated with vanadates Attachments

by Richard Gibson
1 05/12/2017 05:34PM
Last Post by Richard Gibson

I'm looking to Id this agate! Attachments

by David Hubert
2 05/12/2017 02:23PM
Last Post by Erik Vercammen

pink mineral in matrix Attachments

by Robert Darabos
27 05/12/2017 09:00AM
Last Post by Stuart Mills

UK green copper mineral. Attachments

by Costas Constantinides
12 05/12/2017 08:19AM
Last Post by Costas Constantinides

Mineral identification

by Michael Phillipe
3 05/11/2017 09:25PM
Last Post by Gregg Little

martite? From where? Attachments

by Don Saathoff
1 05/11/2017 12:55AM
Last Post by Don Saathoff

Crystals in Schist Attachments

by John Christian
8 05/10/2017 12:29PM
Last Post by Ralph Bottrill

Help reading German label Attachments

by Vik Vanrusselt
4 05/09/2017 06:14PM
Last Post by Christian Auer

Unknown mineral from Mogok Attachments

by Reiner Mielke
16 05/09/2017 11:15AM
Last Post by Reiner Mielke

Achtaragdite: kaolinite, helvite, wadalite, or something else?

by Vik Vanrusselt
1 05/09/2017 09:04AM
Last Post by Vik Vanrusselt

Gypsum desert rose from NWA

by Luca Baralis
5 05/09/2017 04:10AM
Last Post by Gregg Little

Pink Crystal on Merelani Tanzanite Attachments

by Robert Darabos
10 05/08/2017 05:51PM
Last Post by Owen Melfyn Lewis

Lawsonite? Attachments

by Robert Darabos
2 05/08/2017 04:21PM
Last Post by Reiner Mielke

Zeolite from Bulgaria Attachments

by Wolfgang Proestler
2 05/08/2017 02:30PM
Last Post by Wolfgang Hampel

Beryllonite from Meldon Aplite Quarry = Kingsbury reference = doubtful?

by Vik Vanrusselt
4 05/07/2017 02:46PM
Last Post by Vik Vanrusselt

ID help, - "Rainbow moonstone" volcanic glass Attachments

by Steve Ipp
23 05/05/2017 10:51PM
Last Post by Steve Ipp

ID help, - ruby in matrix? Attachments

by Steve Ipp
6 05/05/2017 10:49PM
Last Post by Steve Ipp

Calcite origin? Attachments

by Dana
12 05/05/2017 08:53PM
Last Post by Donald B Peck

Epidote from Peru Attachments

by Howard Heitner
8 05/05/2017 08:18PM
Last Post by Howard Heitner

Alunite from Embleton Quarry/Argentojarosite from Treore Mine

by Vik Vanrusselt
6 05/05/2017 09:12AM
Last Post by Timothy Greenland

Telling the difference between manganese Oxides? Attachments

by Robert Darabos
8 05/04/2017 02:16PM
Last Post by Łukasz Kruszewski

RE: Freibergite with high Te?

by Kyle Beucke
6 05/03/2017 05:08PM
Last Post by Łukasz Kruszewski

Fosso Ricomero, Vico-Vulk,Latium, Italy

by Reiner Mielke
4 05/03/2017 04:30PM
Last Post by Antonio Borrelli

Hoskins Mine, Australia

by Reiner Mielke
6 05/02/2017 10:56PM
Last Post by Ralph Bottrill

Interesting Translucent Amphibole Specimen? Attachments

by Min_Curiosity
9 05/02/2017 08:24PM
Last Post by Min_Curiosity

Unknown Green and White Mineral from Guatemala Highlands Attachments

by Robert Darabos
8 05/02/2017 08:20PM
Last Post by Robert Darabos

Your opinion will be useful Attachments

by Pierre-Luc Croteau
5 05/01/2017 07:09PM
Last Post by Gregg Little

What is turning these ancient Sand Dollars red? Attachments

by Michael Harwell
9 04/30/2017 08:26PM
Last Post by Michael Harwell

ID help, small crystal Attachments

by Giuliano Bettini
9 04/30/2017 03:24PM
Last Post by Giuliano Bettini

I am Chevkinite. What is your opinion?? Attachments

by Osman Khattak
8 04/30/2017 01:03AM
Last Post by Łukasz Kruszewski

unknown Llallagua bright yellow

by Tony Peterson
2 04/29/2017 12:59PM
Last Post by Alfredo Petrov

RE: Bi-Ag-Cu-S mineral Attachments

by Kyle Beucke
8 04/29/2017 01:30AM
Last Post by Łukasz Kruszewski

Marialite vs. Meionite Attachments

by Reiner Mielke
9 04/28/2017 08:30PM
Last Post by Reiner Mielke

Is this turquoise? Attachments

by Lindsey Frasure
4 04/28/2017 12:34AM
Last Post by Lindsey Frasure

Butler label Attachments

by Timothy Greenland
3 04/27/2017 05:14PM
Last Post by Timothy Greenland

Radian Anglesite from Wheal Speed?

by Vik Vanrusselt
4 04/27/2017 12:47PM
Last Post by Alfredo Petrov

Assuming this is Prehnite Attachments

by Stephen C. Blyskal
18 04/27/2017 02:06AM
Last Post by Keith Compton

Bornite coated pyrite Milpillas Mine Attachments

by Ben Grguric
11 04/26/2017 01:21PM
Last Post by Reiner Mielke

Unknown Blue stone. Please help. Attachments

by Melissa Meaux
13 04/24/2017 05:56PM
Last Post by Melissa Meaux

Apatite from ontario?!? Attachments

by Matt Neuzil
9 04/23/2017 06:50PM
Last Post by Matt Neuzil

Is Picture Jasper really Jasper?

by Robert Darabos
8 04/23/2017 04:35AM
Last Post by Robert Darabos

Please help identify Attachments

by Candace Vialpando
20 04/22/2017 05:37PM
Last Post by Peter Slootweg

Epidote in Quartz? Augite Pyroxene? Attachments

by Robert Darabos
3 04/22/2017 01:23AM
Last Post by Reiner Mielke

Clcite? Bryte? Cerussite? Attachments

by Robert Darabos
8 04/21/2017 01:29AM
Last Post by Doug Daniels

Unknown Minerals in Matrix (Guatemala) Attachments

by Robert Darabos
2 04/20/2017 01:55AM
Last Post by Robert Darabos

Do you recognize me? Attachments

by Juan Ángel Tort Figueroa
9 04/18/2017 10:00PM
Last Post by Juan Ángel Tort Figueroa

Flat (isometric) crystals on columbite-tantalite Attachments

by Jyrki Autio
21 04/18/2017 07:28PM
Last Post by Jyrki Autio

what am I? Attachments

by Todd Welti
4 04/18/2017 08:01AM
Last Post by Todd Welti

Mina San Leone, Italy Attachments

by Rui Nunes
4 04/18/2017 06:46AM
Last Post by Rui Nunes

I'd help please. Carnillian? Black onyx core? Translucent reddish. beach pebbles with blue, grey, white inside or black oil agate center? Attachments

by Michael Harwell
7 04/17/2017 10:48PM
Last Post by Michael Harwell

Phallus-ite? Attachments

by Todd Welti
3 04/17/2017 06:00PM
Last Post by Todd Welti

Cassiterite crystals?

by Reiner Mielke
4 04/17/2017 03:45PM
Last Post by Reiner Mielke



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