Fluorescent blue mineral on Franklin Marble help

[fuss]

I cant remember what this mineral's name is...I did know it at one point but have completely forgotten.. It fluoresces blue under long wave UV light. I collected it from the Sterling Hill mine's rock pile in New Jersey. Also included is a photo in short wave of fluorescent green Willemite on the same specimen. So if anyone knows the mineral name I would be thankful.

 

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[smokeythecat]

The most common blues are hardystonite, hydrozincite and margarosanite. Margarosanite is rare. You have an ore specimen there, not a piece of the surrounding limestone mineral. Could also be barite, I think barite is my guess due to the apparent crystal structure.

 

[smokeythecat]

The most common blues are hardystonite, hydrozincite and margarosanite. Margarosanite is rare. You have an ore specimen there, not a piece of the surrounding limestone mineral. Could also be barite, I think barite is my guess due to the apparent crystal structure. Barite should FL short wave though...interesting.