Holiday Orders: We recommend placing gift orders prior to December 16th to avoid shipping delays. If you need it sooner, email us at info@minershop.com to inquire about faster shipping options.

MinerShop Blog

Welcome to the MinerShop blog. We write about pretty much anything that sparks our interest. We've sorted our articles into the categories below.

A nuummite cabochon set in a piece of sterling silver

Mineral of the Month: Nuummite (Greenland)

Welcome to our monthly feature where we showcase a special mineral. This month, we are excited to highlight Nuummite, an exquisite metamorphic rock renowned for its deep black color and shimmering golden bands. To unravel the history and origin of this ancient stone, we embark on a journey to Nuuk, the capital of Greenland, accessible only by boat. 
Read more
What is Tenebrescence? (All about Hackmanite - Hint: it's not fluorescence)

What is Tenebrescence? (All about Hackmanite - Hint: it's not fluorescence)

Minerals which are capable of this reversible color change by exposure to UV (or other energy sources), without any change in their essential composition, are said to be tenebrescent
Read more
Tugtupite vein

Tugtupite - A Rare Fluorescent Mineral from Greenland

Tugtupite is the most widely known fluorescent mineral from Greeenland. It is used in making beautiful tugtupite cabochons. 
Read more
Ilimaussaq Complex, Greenland

The Fluorescent Minerals of Greenland

The Ilímaussaq complex is one of the world's most fascinating igneous complexes with an abundance of rare elements.
Read more
Tenebrescent Tugtupite

Tenebrescence Experiments, Theories, Questions, and even some Facts

Recently I posted a question about Afghan sodalite (hackmanite) after reviewing the MinRec article about Sar-E-Sang. Someone reminded me that there was a large discussion on this topic last year. I dug out that discussion and copied it here to the blog. This is one reason we created Nature's Rainbows - to capture these excellent discussions. 
Read more
Greenland Sodalite Hackmanite - Quick Change Artist, Tenebrescent Champion

Greenland Sodalite Hackmanite - Quick Change Artist, Tenebrescent Champion

Tenebrescence of Greenland sodalite is amazing. This is a piece of a deeply tenebrescent sodalite.
Read more
Sodalite Hackmanite and Tugtupite Tenebrescent

Video of Tenebrescent Sodalite (Hackmanite) and Tugtupite

Tenebrescence is when minerals change color when exposed to sunlight, also known as reversible photochromism.
Read more
19 results
.ezsd-arrows .ezsd-arrows_arrow { position: relative !important; padding: 0; height: 100%; pointer-events: all; opacity: 0.9; background-color: white !important; }