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I’ve noticed that many hyalite specimens—especially those from Mexico—often have some opaque or slightly translucent portions at their base. I’m curious: are these milky white parts also considered hy ...

Before cutting this mineral, I tested it with a Geiger counter, and it showed normal readings, so I proceeded with the cutting. Even after cutting, I don’t remember detecting higher readings, accordin ...

"I'm not sure if the brighter spot at the bottom could be some kind of secondary uranium ore. Even if it is, would cutting such a small volume of mineral have any impact on the environment and he ...

Because the specimen has been lost, I am unable to observe it again. However, I remember not finding any secondary uranium minerals, as their colors are usually vivid. But I did notice a slightly brig ...

Hello, sir. This is my new inquiry. I just want to know if this mineral could possibly be associated with any secondary uranium minerals. I'm not sure, so I'd like to seek some assistance

I want to ask if the green fluorescent dots found on the side of this Hyalite specimen could possibly be due to the encapsulation of some secondary uranium mineral? I remember testing this specimen wi ...

Author	Message
Topic: Are the milky white parts in some hyalite specimens classified as Opal-AN or as Opal-CT?
Rick Roan Replies: 0 Views: 2004	Forum: What is it? - Where is it from? Posted: Jun 01, 2025 06:46 Subject: Are the milky white parts in some hyalite specimens classified as Opal-AN or as Opal-CT?
Rick Roan Replies: 0 Views: 2004	I’ve noticed that many hyalite specimens—especially those from Mexico—often have some opaque or slightly translucent portions at their base. I’m curious: are these milky white parts also considered hy ...
Topic: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Forum: Minerals and Mineralogy Posted: Jun 01, 2024 10:24 Subject: Re: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Before cutting this mineral, I tested it with a Geiger counter, and it showed normal readings, so I proceeded with the cutting. Even after cutting, I don’t remember detecting higher readings, accordin ...
Topic: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Forum: Minerals and Mineralogy Posted: Jun 01, 2024 09:21 Subject: Re: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	"I'm not sure if the brighter spot at the bottom could be some kind of secondary uranium ore. Even if it is, would cutting such a small volume of mineral have any impact on the environment and he ...
Topic: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Forum: Minerals and Mineralogy Posted: May 31, 2024 09:28 Subject: Re: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Because the specimen has been lost, I am unable to observe it again. However, I remember not finding any secondary uranium minerals, as their colors are usually vivid. But I did notice a slightly brig ...
Topic: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Forum: Minerals and Mineralogy Posted: May 31, 2024 07:33 Subject: Re: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Hello, sir. This is my new inquiry. I just want to know if this mineral could possibly be associated with any secondary uranium minerals. I'm not sure, so I'd like to seek some assistance
Topic: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	Forum: Minerals and Mineralogy Posted: May 31, 2024 06:33 Subject: Is it possible for this specimen of Hyalite to be associated with other minerals?
Rick Roan Replies: 8 Views: 6497	I want to ask if the green fluorescent dots found on the side of this Hyalite specimen could possibly be due to the encapsulation of some secondary uranium mineral? I remember testing this specimen wi ...