Bismuth Crystals

[Hornbein]

Very unusual looking.

 

[davenn]

Very unusual looking.

Yeah, often found at mineral shows, they are lab grown, they dont normally grow like that in the ground
I have a couple of peices like that here in my collection, if I remember, I will do a photo

 

[Hornbein]

Yeah, often found at mineral shows, they are lab grown, they dont normally grow like that in the ground
I have a couple of peices like that here in my collection, if I remember, I will do a photo

It has both metallic and crystalline forms. Does anything else or is this unique?

 

[davenn]

It has both metallic and crystalline forms. Does anything else or is this unique?

Metallic and crystalline are not mutually exclusive
Almost all metals have crystalline forms

Dave

 

[Hornbein]

Metallic and crystalline are not mutually exclusive
Almost all metals have crystalline forms

Dave

Aha. So it's the size of the crystals then. Do any metals aside from Bismuth so easily form large crystals like that.

 

[DaveE]

Aha. So it's the size of the crystals then. Do any metals aside from Bismuth so easily form large crystals like that.

Pure metals? "Like that", like what?
There is Galena (PbS), Pyrite (FeS₂), Stibnite (Sb₂S₃)
Plus more exotic metals: https://www.thoughtco.com/metal-crystals-photo-gallery-4054187

Brought to you by google search. I find it a very useful tool myself.