FMF - Friends of Minerals Forum, discussion and message board

I think Elmwood is correct. I found a couple of examples online that have the small calcite crystals of the same habit, although not the same dense coverage in places as this one.

Thanks for your ...

Purchased this Fluorite today at a "crystal" shop and labeled as Fluorite with Calcite and locale given as Mexico. Inquired if they had any better location information or could narrow it dow ...

I've been reading the responses (thank you) and thinking about this, and I now vaguely recall noting that it was from Italy when I purchased it.

Is it just as likely (or less likely?) that it might ...

I purchased this adularia with some chlorite coating years ago. It has been stored away and I have lost any location information. Don't even remember where I purchased it.

The longest dimension is ...

II wondered why there is a period after...

Thanks to both of you for clearing this up for me.

Didn't know where to post this. I bought a specimen from a known prior collection. How do I properly acknowledge on my display label that the specimen is from this collection?

I see " Ex. coll ...

Looks promising. I found other photos from this locality online and they look similar to my piece, so I think its on right track. I was definitely on the wrong track!

p.s., I was so locked into thinking it was sphalerite over the years that it never occurred to me to consider it could be something else.

Alfredo, My first thought was "no way!"

But, it DOES scratch glass and a steel knife point does not scratch the crystal faces, so I guess sphalerite is ruled out.

I did a quick water ...

I acquired this specimen in the late 1970s and over the years I have lost/forgotten any information on its locality. I vaguely think it's from the Joplin tri-state area (because, hey, its sphalerite!) ...

Author	Message
Topic: Mexico Fluorite on Sphalerite Locale?
Frank Perry Replies: 3 Views: 8407	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jun 15, 2023 09:22 Subject: Re: Mexico Fluorite on Sphalerite Locale?
Frank Perry Replies: 3 Views: 8407	I think Elmwood is correct. I found a couple of examples online that have the small calcite crystals of the same habit, although not the same dense coverage in places as this one. Thanks for your ...
Topic: Mexico Fluorite on Sphalerite Locale?
Frank Perry Replies: 3 Views: 8407	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Jun 13, 2023 19:13 Subject: Mexico Fluorite on Sphalerite Locale?
Frank Perry Replies: 3 Views: 8407	Purchased this Fluorite today at a "crystal" shop and labeled as Fluorite with Calcite and locale given as Mexico. Inquired if they had any better location information or could narrow it dow ...
Topic: adularia locale?
Frank Perry Replies: 11 Views: 10936	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Mar 11, 2023 16:55 Subject: Re: adularia locale?
Frank Perry Replies: 11 Views: 10936	I've been reading the responses (thank you) and thinking about this, and I now vaguely recall noting that it was from Italy when I purchased it. Is it just as likely (or less likely?) that it might ...
Topic: adularia locale?
Frank Perry Replies: 11 Views: 10936	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Mar 10, 2023 22:06 Subject: adularia locale?
Frank Perry Replies: 11 Views: 10936	I purchased this adularia with some chlorite coating years ago. It has been stored away and I have lost any location information. Don't even remember where I purchased it. The longest dimension is ...
Topic: Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
Frank Perry Replies: 7 Views: 5490	Forum: Minerals and Mineralogy Posted: Feb 23, 2023 17:20 Subject: Re: Mineral Labeling: how to properly acknowledge specimen in from an earlier collection
Frank Perry Replies: 7 Views: 5490	II wondered why there is a period after...
Topic: Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
Frank Perry Replies: 7 Views: 5490	Forum: Minerals and Mineralogy Posted: Feb 22, 2023 17:05 Subject: Re: Mineral Labeling: how to properly acknowledge specimen in from an earlier collection
Frank Perry Replies: 7 Views: 5490	Thanks to both of you for clearing this up for me.
Topic: Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
Frank Perry Replies: 7 Views: 5490	Forum: Minerals and Mineralogy Posted: Feb 22, 2023 16:28 Subject: Mineral Labeling: how to properly acknowledge specimen is from an earlier collection
Frank Perry Replies: 7 Views: 5490	Didn't know where to post this. I bought a specimen from a known prior collection. How do I properly acknowledge on my display label that the specimen is from this collection? I see " Ex. coll ...
Topic: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 18, 2023 16:47 Subject: Re: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Looks promising. I found other photos from this locality online and they look similar to my piece, so I think its on right track. I was definitely on the wrong track!
Topic: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 17, 2023 23:01 Subject: Re: Locale for doubly terminated quartz on [garnet]?
Frank Perry Replies: 7 Views: 5048	p.s., I was so locked into thinking it was sphalerite over the years that it never occurred to me to consider it could be something else.
Topic: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 17, 2023 22:57 Subject: Re: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Alfredo, My first thought was "no way!" But, it DOES scratch glass and a steel knife point does not scratch the crystal faces, so I guess sphalerite is ruled out. I did a quick water ...
Topic: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	Forum: FOR BEGINNERS: What is it? Where is it from? Posted: Feb 17, 2023 19:55 Subject: Locale for doubly terminated quartz on sphalerite?
Frank Perry Replies: 7 Views: 5048	I acquired this specimen in the late 1970s and over the years I have lost/forgotten any information on its locality. I vaguely think it's from the Joplin tri-state area (because, hey, its sphalerite!) ...