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03 Jun-21:44:21 The mizunaka collection - stibnite (Am Mizunaka)
03 Jun-06:16:31 Re: collection of volkmar stingl (Volkmar Stingl)
02 Jun-13:39:20 Re: don lum collection (Don Lum)
02 Jun-08:51:39 Re: collection of michael shaw (Michael Shaw)
02 Jun-02:27:53 The mizunaka collection - rhodchrosite (Am Mizunaka)
02 Jun-01:36:07 Re: collection of volkmar stingl (Volkmar Stingl)
02 Jun-01:17:41 Re: is this a rhyolite matrix with calcite and smoky quartz? (Volkmar Stingl)
01 Jun-22:11:04 Re: is this a rhyolite matrix with calcite and smoky quartz? (Roger Warin)
01 Jun-20:02:10 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Alfredo)
01 Jun-10:24:08 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Rick Roan)
01 Jun-10:21:30 Is malachite rare? (Matt_zukowski)
01 Jun-09:51:59 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Matt_zukowski)
01 Jun-09:21:32 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Rick Roan)
01 Jun-07:40:50 Re: mineral identification tips (Cascaillou)
31 May-16:04:59 Is this a rhyolite matrix with calcite and smoky quartz? (Gk68)
31 May-15:40:58 Re: don lum collection (Don Lum)
31 May-15:40:12 Re: is this dolomite-pyrite-siderite? (Gk68)
31 May-09:28:53 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Rick Roan)
31 May-08:49:08 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Alfredo)
31 May-07:33:18 Re: is it possible for this specimen of hyalite to be associated with other minerals? (Rick Roan)
31 May-07:26:07 Re: is it possible for this specimen of hyalite to be associated with other minerals? (James Catmur)
31 May-06:33:57 Is it possible for this specimen of hyalite to be associated with other minerals? (Rick Roan)
30 May-22:57:14 Re: collection of volkmar stingl (Volkmar Stingl)
30 May-09:49:21 Re: provide miller indices in practice please (Robson Vieira)
30 May-09:47:37 Re: provide miller indices in practice please (Robson Vieira)

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  Topic: Can some please let me know what you might think this is?
Eck Noch

Replies: 6
Views: 3012

PostForum: FOR BEGINNERS: What is it? Where is it from?   Posted: Jan 04, 2024 22:28   Subject: Re: Can some please let me know what you might think this is?
Yep, cleaved fluorite.
  Topic: Quartz: parallel growth or not?
Eck Noch

Replies: 3
Views: 6770

PostForum: Minerals and Mineralogy   Posted: Jul 20, 2023 23:41   Subject: Re: Quartz: parallel growth or not ?
I don’t think that there is much going on here besides the obvious apparent left handed Dauphiné twin. All other faces are just interpenetrated crystals that eventually absorbed by a faster growing cr ...
  Topic: Dynamics involved in quartz forming hexagonal rings?
Eck Noch

Replies: 6
Views: 5337

PostForum: Off-Topic and Introductions   Posted: Aug 14, 2022 17:40   Subject: Re: Dynamics involved in quartz forming hexagonal rings?
That’s really fascinating growth. Have me stumped for sure!
  Topic: Dynamics involved in quartz forming hexagonal rings?
Eck Noch

Replies: 6
Views: 5337

PostForum: Off-Topic and Introductions   Posted: Aug 14, 2022 17:37   Subject: Re: Dynamics involved in quartz forming hexagonal rings?
Another angle of the same rock.
  Topic: Dynamics involved in quartz forming hexagonal rings?
Eck Noch

Replies: 6
Views: 5337

PostForum: Off-Topic and Introductions   Posted: Aug 14, 2022 15:12   Subject: Re: Dynamics involved in quartz forming hexagonal rings?
Here, found it. Calcite interrupted Quartz growth.
  Topic: Dynamics involved in quartz forming hexagonal rings?
Eck Noch

Replies: 6
Views: 5337

PostForum: Off-Topic and Introductions   Posted: Aug 14, 2022 14:34   Subject: Re: Dynamics involved in quartz forming hexagonal rings?
It’s hard to tell, but I’m not seeing actual concentric rings of Quartz, I do see the outer ring of crystal growth but the inner growth seems more randomized. That being said, I have several pieces of ...
  Topic: Favourite Quartzes?
Eck Noch

Replies: 62
Views: 101732

PostForum: Favourite Minerals   Posted: Aug 10, 2022 14:16   Subject: Re: Favourite Quartzes?
A beautiful plate of Quartz from New Mexico. This plate exhibits multiple growth forms including cactus/spirit growth and clustered scepters. Dug by Robert Lairy.
  Topic: Favourite Quartzes?
Eck Noch

Replies: 62
Views: 101732

PostForum: Favourite Minerals   Posted: Aug 10, 2022 14:04   Subject: Re: Favourite Quartzes?
A beautiful plate of Quartz from New Mexico. This plate exhibits multiple growth forms including cactus/spirit growth and clustered scepters. Dug by Robert Lairy.
  Topic: The Tama Higuchi Collection
Eck Noch

Replies: 18
Views: 23129

PostForum: Women's Private Collections   Posted: Aug 10, 2022 13:57   Subject: Re: The Tama Higuchi Collection
I love seeing your collection of minerals! Really looking forward to seeing all of these!
  Topic: New Book on Gem Pegmatites
Eck Noch

Replies: 1
Views: 10973

PostForum: Mineralogical Literature   Posted: Aug 03, 2022 13:58   Subject: Re: New Book on Gem Pegmatites
Exciting news! Thank you for this info, I dig a lot of pegmatite and gobble up every bit of info I can get my hands on!
  Topic: New Brief Visual Guide for Quartz
Eck Noch

Replies: 7
Views: 5627

PostForum: Off-Topic and Introductions   Posted: Jul 12, 2022 15:05   Subject: Re: New Brief Visual Guide for Quartz
Fantastic! thank you, shared your Quartz video.
  Topic: New Brief Visual Guide for Quartz
Eck Noch

Replies: 7
Views: 5627

PostForum: Off-Topic and Introductions   Posted: Jul 12, 2022 14:47   Subject: Re: New Brief Visual Guide for Quartz
Great video and channel! Subscribed!
Check out my channel if you want.
https://youtube.com/c/RiskyVentureMinerals
  Topic: Epitaxial rutile
Eck Noch

Replies: 19
Views: 38369

PostForum: Minerals and Mineralogy   Posted: Nov 25, 2021 12:33   Subject: Re: Epitaxial rutile
Another photo micrograph by Nathan Renfro of material from the Eclipse Pocket.
  Topic: Epitaxial rutile
Eck Noch

Replies: 19
Views: 38369

PostForum: Minerals and Mineralogy   Posted: Nov 25, 2021 12:18   Subject: Re: Epitaxial rutile
Here is a sample of photos I took myself with my iPhone 6, these were all collected from the Eclipse Pocket at our Eclipse Mine. Here you can clearly make out the Anatase cores on some, and on others ...
  Topic: Epitaxial rutile
Eck Noch

Replies: 19
Views: 38369

PostForum: Minerals and Mineralogy   Posted: Nov 25, 2021 11:57   Subject: Re: Epitaxial rutile
Here is a fun one taken of my self collected material from the Eclipse Mine, photomicrograh by Nathan Renfro. Proposed epitaxy of rutile on Anatase or Brookite.
  Topic: Favourite Tourmalines?
Eck Noch

Replies: 28
Views: 55590

PostForum: Favourite Minerals   Posted: Jul 06, 2021 11:11   Subject: Re: Favourite Tourmalines?
I realize that it’s ‘just’ Schorl but it’s self collected and some of most northern picket Schorl from California that I know of. Pulled from our mine in El Dorado County.

__
Size information cor ...
  Topic: Favourite Quartzes?
Eck Noch

Replies: 62
Views: 101732

PostForum: Favourite Minerals   Posted: Jun 22, 2021 23:18   Subject: Re: Favourite Quartzes?
Some epitaxial Quartz on albite over feldspar twins. Some muscovite is present as well as a thin coating of cookeite. From our mine in Northern California.
  Topic: The Mizunaka Collection
Eck Noch

Replies: 2444
Views: 2245852

PostForum: Collection photos and Collector's page   Posted: Jun 22, 2021 09:54   Subject: Re: The Mizunaka Collection - Quartz


What a special piece! I have recently become aware of and in love with Quartz growing at angles like this, this piece appears to be growing epitaxially. Is this just a fluke or do you think there ...
  Topic: Mineral specimens with inclusions - (28)
Eck Noch

Replies: 95
Views: 234185

PostForum: Featured Columns of FMF   Posted: Jun 17, 2021 13:17   Subject: Re: Mineral specimens with inclusions
Quartz with unknown inclusion.

Mike! Always with the classiest pieces, I absolutely love this one!
  Topic: Mineral specimens with inclusions - (28)
Eck Noch

Replies: 95
Views: 234185

PostForum: Featured Columns of FMF   Posted: Jun 17, 2021 13:15   Subject: Re: Mineral specimens with inclusions - (28)
Rutile on Anatase in Quartz from the Eclipse Pocket.
 
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