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Odd modifications on a cubic pyrite. 10 Sante Celiberti 1156 Aug 22, 2020 13:49Sante Celiberti
Habit restriction of garnets 13 Josele 4092 Jul 26, 2020 16:10Sante Celiberti
Complex calcite 7 Josele 1586 Jun 25, 2020 08:13Bob Morgan
Mercedes cross in fluorite 9 Roger Warin 1802 Jun 22, 2020 15:01Roger Warin
Red fluorescence in Fluorite 6 Bob Carnein 2032 May 05, 2020 16:21Josele
Pyrite scepters? 8 Sante Celiberti 4122 Apr 25, 2020 17:46Sante Celiberti
Aragonite "drill bit" twin 16 Bob Carnein 9888 Apr 01, 2020 13:57Bob Morgan
Dark line in Brookite 2 tgleckler 5830 Mar 30, 2020 15:38tgleckler
Malachite twinning 5 RayStraw 9978 Mar 08, 2020 06:50RayStraw
Isotopic composition of German Silvers 6 Brent Lockhart 8876 Mar 03, 2020 23:08Brent Lockhart
The State of Modern Geology 14 marvinlewinsky 10030 Feb 21, 2020 01:27Matt_Zukowski
On Mineral collecting and Mineral Provenance 4 marvinlewinsky 8627 Feb 19, 2020 18:56cascaillou
Weird face in quartz 1 , 2 ] 32 Josele 31340 Feb 06, 2020 11:36Reef
The concept of matrix 8 Josele 9282 Jan 12, 2020 15:17Roger Warin
Clinozoisite... what it is and how was it formed? 2 RockHunter 7560 Dec 16, 2019 03:52RockHunter
Apatite related to the appetite of ungulates. 3 vic rzonca 7383 Dec 02, 2019 16:37alfredo
Color variation in azurite and malachite 10 RayStraw 7770 Nov 05, 2019 14:00RayStraw
Associations. 6 vic rzonca 7214 Oct 21, 2019 11:15Bob Carnein
Posters 7 RayStraw 7731 Aug 21, 2019 09:45Tobi
What defines a collection's quality 1 , 2 ] 23 cascaillou 23418 Aug 01, 2019 03:02Tobi
Certificates of authenticity for analyzed rare mineral specimens 7 Bob Harman 7953 Jul 29, 2019 20:29alfredo
Colours of Rhodochrosite and Other Mn Bearing Carbonates 9 al mar 6607 Jul 25, 2019 13:41Jordi Fabre
Stability of Azurite vs Malachite 1 , 2 ] 23 RayStraw 11642 Jun 13, 2019 11:46Peter Megaw
Quartz and Humboldtine? from Colombia 16 John Rakovan 10028 Jun 02, 2019 13:36GregC12345
Stellerite from Mali 3 Gagat Minerals 5139 Mar 28, 2019 18:43Gagat Minerals
Pyrite modified with Diploid-high millers? 4 fena kuiperi 4206 Mar 15, 2019 12:25fena kuiperi
Beryl inclusion 6 tgleckler 4792 Feb 13, 2019 00:35Jordi Fabre
Carmeltazite 11 Pierre Joubert 6555 Jan 21, 2019 13:09Pete Modreski
All the Diamonds one could fill your house with - and more - so near...yet so far..... 8 Peter Lemkin 5677 Jan 11, 2019 05:12Peter Lemkin
Collecting focuses and how they can change 1 , 2 ] 24 Tobi 20763 Dec 05, 2018 04:11Tobi
Rarest quartz twins with inclined axes C 1 , 2 , 3 ] 42 Reef 29540 Nov 09, 2018 18:17Recovering - Academic
Golden rutile analysis? 0 dontgogreen 18497 Nov 02, 2018 13:43dontgogreen
"Frosted patterns" on the faces of Quartz 10 Reef 8923 Oct 01, 2018 16:33Bob Morgan
Termination in a tourmaline crystal 2 marco campos-venuti 3457 Aug 28, 2018 13:13John S. White
Question about Fluorite on Quartz 6 Richard Arseneau 4456 Aug 19, 2018 23:04Robert Seitz
Mindat is in financial trouble.....!?! 4 Peter Lemkin 4379 Aug 18, 2018 03:23Montanpark
Minerals of DR Congo, Katanga. 1 , 2 ] 27 Roger Warin 29255 Jul 29, 2018 13:52Roger Warin
Help please about swamboite-(Nd) structure 0 Roger Warin 18202 Jul 27, 2018 05:44Roger Warin
Green petrified wood WA State? 6 jenrey1919 4892 Jul 12, 2018 22:17Jeff
Carbonates form on ponds in Oman like ice 6 Matt_Zukowski 6336 Jul 02, 2018 10:28AntonioL
Great website on Quartz and all Quartz growth variants! 1 Peter Lemkin 4244 Apr 12, 2018 05:55kristy
Central Massif of Picos de Europa, Asturias 9 Gagat Minerals 6805 Mar 19, 2018 09:22Gagat Minerals
San Benito County 9 Roger Warin 7621 Mar 18, 2018 11:59JohnVeevaert
Percentage of pigment 6 Tom Mazanec 5304 Mar 15, 2018 05:54Tom Mazanec
A new find: Hoganite from Morocco 17 Manuel Mesa 13631 Feb 28, 2018 12:52alfredo
Minerals and the Origins of Life: the key roles of apatite and struvite 9 Cesar M. Salvan 10735 Jan 12, 2018 00:40Peter Lemkin
Percentage of minerals known 11 Tom Mazanec 8447 Jan 08, 2018 12:02kakov
Minerals sans life 15 Tom Mazanec 10916 Jan 06, 2018 18:38Jordi Fabre
Prospecting pegmatite for schorl: need help. 8 cascaillou 8927 Dec 14, 2017 14:11cascaillou
Mineral names in different languages and their meaning 16 Tobi 11957 Nov 21, 2017 15:22Pete Richards
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