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Education

For education topics/questions 
Subject Posts Last Post

pseudocubic quartz

by jennifer cindrich
24 08/21/2018 01:56AM
Last Post by Wayne Corwin

What is the correct chemical formula for beryl?

by Jason Evans
3 08/16/2018 10:30AM
Last Post by Johan Kjellman
This topic has been moved.

Is this obsidian? Attachments

by Lou Griffin
  This topic has been moved.

Things I can do with coal?

by Sky Sanchez
4 08/11/2018 10:28PM
Last Post by Alysson Rowan

Endoliths in garnet

by Hiro Inukai
2 08/08/2018 10:35PM
Last Post by Alfredo Petrov

Where do I actually start

by Nickolas Drake
9 08/07/2018 07:05PM
Last Post by Nickolas Drake

How would i go about priceing my find Attachments

by Brandon Lichty
4 07/29/2018 07:29PM
Last Post by Becky Coulson

Sedimentary Chalcedon/Agate Attachments

by Noah Lunster
13 07/27/2018 12:26AM
Last Post by Noah Lunster

how to repair stibnite

by Greg Simmons
10 07/24/2018 08:52PM
Last Post by Niels Brouwer

pseudo-hexagonal pyrite? Attachments

by jennifer cindrich
10 07/14/2018 09:06PM
Last Post by Alfred L. Ostrander
This topic has been moved.

Black/brown glassy crystalline rock (tetbury Gloucestershire)

by Christopher Annis
  This topic has been moved.
This topic has been moved.

Gold Attachments

by Christian Auer
  This topic has been moved.
This topic has been moved.

Is this Malachite Azurit real? Attachments

by Kathy Norton
  This topic has been moved.

Identifying Taaffeite

by Owen Lewis
21 06/24/2018 03:54PM
Last Post by Kevin Hean

We have mariinskite (a Cr chrysoberyl), but is there a chrome beryl?

by Nick Gilly
7 06/24/2018 11:14AM
Last Post by Jolyon & Katya Ralph

Minerals of the Metallic Ore Deposits of the American Southwest

by Erin Delventhal
5 06/14/2018 04:08AM
Last Post by Erin Delventhal

Need Pentlandite

by Steve Hardinger
1 06/12/2018 05:14PM
Last Post by Steve Hardinger

Kola borehole

by A. Mathauser
10 06/12/2018 09:27AM
Last Post by Jolyon & Katya Ralph

Geiger counters

by WaUraniumExpert
3 06/10/2018 09:29AM
Last Post by Kevin Hean

Irregular lines in pyrite crystal Attachments

by Tim Saunderson
5 06/07/2018 02:43AM
Last Post by Tim Saunderson

How many of you tumble your own rocks? Attachments

by Erin Orchard
33 06/05/2018 05:09PM
Last Post by Erin Orchard

Hematite on Malachite Attachments

by Dennis Curtis
3 06/03/2018 10:48PM
Last Post by Dennis Curtis

Strange Malachite formation Attachments

by Dennis Curtis
8 06/03/2018 10:44PM
Last Post by Dennis Curtis

More than just a little about witherite

by Kevin Conroy
1 06/01/2018 07:45PM
Last Post by Kevin Conroy
This topic has been moved.

Quartz Point with secondary crystal ? Attachments

by Patrick Carey
  This topic has been moved.
This topic has been moved.

Brand new to rocks and minerals Attachments

by Erin Orchard
  This topic has been moved.

Learning Opportunities in Public Parks

by Michael Cox
1 05/02/2018 03:33AM
Last Post by Michael Cox

Trondhjemite

by Erich Berger
4 04/30/2018 07:43PM
Last Post by Erich Berger
This topic has been moved.

Can anyone help identify this geode? Attachments

by Becky Elizabeth
  This topic has been moved.

Sio and AR Wavellite Attachments

by Everett Harrington
8 04/28/2018 09:59PM
Last Post by Wayne Corwin

Call for Papers: Minerals of the Metallic Ore Deposits of the American Southwest

by Erin Delventhal
1 04/28/2018 08:16PM
Last Post by Erin Delventhal

Kernite & colemanite question

by Lisa
5 04/16/2018 03:39AM
Last Post by Doug Daniels
This topic has been moved.

Arkansas quartz

by Cody Lutz
  This topic has been moved.

2 questions about the operation of gems

by Marc Van Tricht
9 04/15/2018 08:23PM
Last Post by Uwe Kolitsch

Chrysocolla in Chalcedony Enhancement

by mario tapilouw
15 04/13/2018 08:41AM
Last Post by mario tapilouw

Matrix Crack Repair

by Aaron Verrill
10 04/11/2018 03:31PM
Last Post by cascaillou
This topic has been moved.

Southern Arizona quartz localities

by Taylor Ortiz
  This topic has been moved.

Benitoite question

by Jason Evans
6 04/04/2018 02:49PM
Last Post by Steve Hardinger

Request for help

by Keith Turner
5 03/29/2018 03:24PM
Last Post by Keith Turner

vaesite, sticks or not?

by Giuliano Bettini
6 03/28/2018 11:21PM
Last Post by Kyle Bayliff
This topic has been moved.

Greetings!

by Aaron Verrill
  This topic has been moved.

Inclusions of chalcopyrite in calcite Attachments

by jennifer cindrich
8 03/15/2018 12:36AM
Last Post by Amir C. Akhavan

New to the world of minerals

by Vma Buck
15 03/02/2018 03:40AM
Last Post by Vma Buck
This topic has been moved.

Emerald colored rock from India Attachments

by Ashley Wolf
  This topic has been moved.

New England Mineral Association Annual Conference May 11-13, 2018 Attachments

by Jeffrey Morrison
1 02/25/2018 05:29PM
Last Post by Jeffrey Morrison

Malachite and azurite

by Vma Buck
4 02/25/2018 10:46AM
Last Post by David Von Bargen

New locale for Star Garnet discovered!?!? EDIT: NOPE! Attachments

by GarnetAhoy
3 02/25/2018 09:15AM
Last Post by Ed Ortman

Slope mining question

by Matt Courville
13 02/23/2018 02:19PM
Last Post by Andrew Debnam
This topic has been moved.

Fluorite?

by Vma Buck
  This topic has been moved.

Gemmy&Transparency what do they mean?

by Reiner Mielke
13 02/19/2018 03:29PM
Last Post by Owen Lewis

Prairie tanzanite?

by Jason Evans
16 02/09/2018 05:48AM
Last Post by John Oostenryk

crystal systems: nomenclature and conventions

by Daniel Atencio
7 01/30/2018 12:59AM
Last Post by Johan Kjellman

Could someone please add these mines Attachments

by Frank Karasti
5 01/29/2018 07:55PM
Last Post by Frank Karasti

K-feldspar as crystal nucleus for ice in clouds

by Martin Rich
6 01/27/2018 03:20PM
Last Post by David Von Bargen

Mineral names based on chemistry of mineral

by Jason Evans
28 01/26/2018 11:29AM
Last Post by Erik Vercammen

Pyrite in Citrine Attachments

by Ashley Wolf
8 01/17/2018 06:36PM
Last Post by Wayne Corwin

Adularia growing inside smokey quartz!?

by Theodore Hansen Theo
5 01/08/2018 02:23PM
Last Post by Theodore Hansen Theo

Midwest carbonates, both common and very rare.

by Bob Harman
12 01/06/2018 03:55PM
Last Post by Keith Wood

Enhydros in large amethyst cluster? Attachments

by Theodore Hansen Theo
4 01/02/2018 04:54AM
Last Post by Theodore Hansen Theo

Charoite Pietersite

by Dennis Curtis
7 12/31/2017 01:46PM
Last Post by Dennis Curtis

Beryl, a glucinum-aluminum silicate?

by Ed Clopton
13 12/30/2017 05:12PM
Last Post by Clifford Trebilcock

dirty diamond identification

by JASTRO jerry WINKLE
2 12/30/2017 12:54PM
Last Post by JASTRO jerry WINKLE

Specimen Degradation Attachments

by Edward Bayley
6 12/20/2017 12:31AM
Last Post by Edward Bayley

Swedish mineral name challenge

by Van King
9 12/18/2017 10:07PM
Last Post by Chris Stone

Bytownite - industrial uses?

by Duncan Hill
7 12/12/2017 05:11PM
Last Post by Duncan Hill

Technical terminology of surface modifications to crystals

by Edward Bayley
8 12/09/2017 03:00PM
Last Post by Edward Bayley
This topic has been moved.

Boulder opal? Attachments

by brittany messer
  This topic has been moved.

Lodestone locales?

by jennifer cindrich
18 12/03/2017 02:43PM
Last Post by Ed Clopton

Erythrite on grey metallic matrix from Bou Azer

by John Sobolewski
7 12/02/2017 10:21PM
Last Post by Reiner Mielke

What is the most common mineral on Earth?

by Bob Harman
9 12/02/2017 09:44PM
Last Post by Ralph Bottrill

Star Quartz/s?

by Theodore Hansen Theo
9 12/02/2017 09:34PM
Last Post by Ralph Bottrill

Finding An Old Prospect Site

by Ryan Klockner
2 12/02/2017 12:49AM
Last Post by Stuart Herring

Irradiation ? Attachments

by Luc Boulad
11 11/30/2017 05:43PM
Last Post by Owen Lewis

Iron sulphide nodules Attachments

by Jason Evans
16 11/29/2017 04:00PM
Last Post by Reiner Mielke

Your opinion about Austrian "geomaterials"

by Franz Bernhard
17 11/19/2017 12:59PM
Last Post by Franz Bernhard

specific gravity/ hardness question for mineral

by Matt Courville
12 11/13/2017 12:05PM
Last Post by Reiner Mielke
This topic has been moved.

Fake azurite? Attachments

by Ashley Wolf
  This topic has been moved.

POTD: November 10, 2017

by Norman King
1 11/10/2017 02:54AM
Last Post by Norman King

Best way to extract/generally clean up pyrite? Attachments

by Greg Hill
3 11/08/2017 03:45PM
Last Post by Greg Hill

Mass vs Weight

by Owen Lewis
40 11/03/2017 03:25AM
Last Post by Doug Daniels



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