Sphalerite (Flourescent)
Fluorescent sphalerite and wurtzite from the Horn Silver Mine in Utah, showing orange, yellow, and green spots. Material from the Horn Silver Mine is very rare and highly collectible.
This back side of this piece has very little/no fluorescence. A longwave (365 nm) filtered UV light must be used.
I am happy to provide a video or more images if requested.
If you are unsure about the wavelength of your UV light, please contact me prior to purchasing. I do not accept returns if your UV light is not filtered or the required wavelength.
Locality: Horn Silver Mine, Utah
Dimensions: 15.5 x 10.7 x 7.6 cm
USA SHIPPING: Free US shipping on this piece. Shipped via USPS Ground Advantage with a tracking number. Items are shipped out twice a week.
International orders: Please use the contact form here to request an estimate and I will send you a quote with shipping costs and a custom invoice. Example format: Matted giclee print - Star Sand - qty 2; Sticker Pack - Texas Fossils - qty 1; etc.