Margarosanite, Prehnite, Pectolite, Axinite, Willemite - New Jersey

$3,100.00 USD
SKU: MSJ0378
Weight and Dimensions

1lb 13.2 oz, 3" x 4" x 2 1/4"

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A rare Franklin assemblage of margarosanite, prehnite, axinite (red), willemite and pectolite.

A rare Franklin assemblage of margarosanite, prehnite which is the brown/beige fluorescence, axinite (red), willemite and what we believe to be pectolite – the orange area in the middle of the specimen. There are possibly many other Franklin rare minerals.

A rare Franklin assemblage of margarosanite, prehnite, axinite (red), willemite and pectolite.

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.

A rare Franklin assemblage of margarosanite, prehnite, axinite (red), willemite and pectolite.

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.

fluorescent mineral specimen of tugtupite, sodalite

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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