Margarosanite, Xonotlite, Axinite, Clinohedrite, Calcite, Willemite - Franklin Mine, New Jersey, USA

$0.00 USD

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SKU: MSJ0324
Weight and Dimensions

11.5 oz, 3" x 3 1/2" x 1 1/2" Diameter

Shipping and Delivery

Free Shipping
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2-5 Business Days

*Note: Please make sure to right-click and print (or save) ID card located in the photo gallery for your records*

margarosanite id label

A rare Franklin assemblage of margarosanite, axinite, orange (under shortwave) clinohedrite, dark blue fluorescing xonotlite, willemite and possibly many other Franklin rare minerals.

margarosanite from franklin mine

Margarosanite is a rare calcium lead silicate mineral that shows a beautiful short wave fluorescent response that ranges from blue/white to pastel shades of purple, pink and lavender. For these reasons it is one of the most coveted (and expensive) fluorescent minerals.

margarosanite from franklin mine new jersey

First discovered in the Parker Shaft of the famous Franklin mine, in Franklin, Sussex County, New Jersey. A lesser variety of Margarosanite is also found at some of the mines in Filipstad, Varmland County, Sweden, such as Langban and Jakobsberg.

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Common Questions About Fluorescent Minerals – An FAQ Guide

Fluorescent minerals can be fascinating to those who discover these hidden treasures and they often raise various questions. Here are some common questions related to fluorescent minerals.
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purple fluorite crystals

MINERAL OF THE MONTH: FLUORITE

Fluorite often times has bright fluorescence under ultraviolet light, revealing bright colors that range from purples and blues to brilliant greens and pinks. Anyone with a fluorescent mineral collection probably has a piece of fluorescent blue fluorite, the most common fluorescent color for this mineral.
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calcite, hydrozincite, aragonite, diopside specimen under UV light

Long Lake Zinc Mine - Ontario Canada

The sun was slowly setting so we made dinner and relaxed a while (amazing how slowly the sun sets when you're waiting for it). Once it got dark collected started in earnest. The first thing you notice is the bright blue hydrozincite everywhere on red calcite. All of the small rocks glow. We proceeded to check out the large boulders laying around on the surface and quickly determined that dozens of prior collectors had done the same. That's why they're still lying around.
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