Micromount Club Zoom Sessions

Early in 2020, when Covid first hit, and the world went into varying degrees of lockdown, I set up a Zoom session for members of the Facebook Micromount Club Group. It was attended by people all around the world and all agreed that it was something that we should continue...

Subscribe to Mineral Matters (and Index!)

Mineral Matters is a new regular newsletter delivered directly to your email inbox. News items may include any topic relevant to minerals or related subjects. Recipients can comment or like individual posts. And it is free! You can subscribe to Mineral Matters here. Check out what has already been published...

Crocoite.com is on a new host

I have moved all of my website to a new hosting provider. Unfortunately, that means that some older posts will likely have invalid links. I will try to fix them over time. 😁

2025 Mineral Calendar

My 2025 Mineral calendar is now out. This year, I have opted for a simple colourful mineral theme rather than a specific mineral or locality. Available for AU$13.50 plus postage spiral bound A4 landscape. I will be taking orders up until 12th November. Contact me directly if you would like to...

The Illustrated Minerals of Australia – Volume 1 – Electronic Edition

Now available here. There are more than 1,500 species recorded in Australia, and this publication aims to illustrate more than half of those. Australia also has 186 Type Locality minerals (and counting). There are 715 full-colour pages in this first volume and it includes the minerals from acanthite through to cyrilovite....

Mimetite – A Collector’s Guide

Mimetite is a popular mineral among collectors, and is a lead arsenate mineral. It is usually found in the oxidised zone of lead ore deposits, and occurs a variety of habits including flat tabular hexagonal crystals, long prismatic hexagonal crystals, rounded crystals, and even some that look fibrous! However, not...

Analcime, natrolite, hematite, Cairns Bay, Flinders, Victoria

Exploring Analcime – a Mineral Collector’s Guide

If you’re a mineral collector, then you have likely encountered the zeolite mineral analcime. So in this post, we’ll discuss what this is, where it is found, its chemical and physical properties, and its uses. Analcime is a sodium aluminum silicate that is a zeolite group mineral, and that can...

Monthly Mineral Chronicles vol 6 issue 2…

…is now available here.This month, in this 77 page full-colour issue we have the following articles: Illustrated Minerals of Australia Volume 2, Part 5 – Erionite to Evansite. The next installment of a significant undertaking documenting the 1,500 or so mineral species recorded in Australia. Density and Density of Minerals....

The Beauty of Corundum – a Look at Sapphire

Many civilizations throughout history have treasured the precious gemstone sapphire. As a matter of fact, Royalty have coveted its deep blue hue making it one of the most sought-after gemstones in the world. It is incredibly scratch resistant and durable as well as stunningly beautiful. Sapphires come in a range...

Rhodochrosite, Kalahari manganese fields, Northern Cape Province, South Africa

Rhodochrosite, a Collector’s Guide

Introduction Rhodochrosite is a pink or red mineral with a long history of appreciation by mineral collectors. It is also popular with jewellery artisans. Its unique colour makes it a favourite for many. This blog post will discuss what makes it so popular, where it is found, and how it...

Monthly Mineral Chronicles vol 6 no 1

Monthly Mineral Chronicles Volume 6 Issue 1 is now available here. This month, in this 82 page full-colour issue we have the following articles: New and Redefined Minerals, November 2022, and Tucson! Illustrated Minerals of Australia Volume 2, Part 3 – Eastonite to Eriochalcite. The next installment of a significant...

Monthly Mineral Chronicles vol 5 no 12

Monthly Mineral Chronicles Volume 5 Issue 12 is now available here.This month, in this 72 page full-colour issue we have the following articles: Minerals and Elements: Aluminium – The next in the series on elements and minerals. This month, we look at Aluminium. Illustrated Minerals of Australia Volume 2, Part...

Monthly Mineral Chronicles Volume 5 Issue 11…

…is now available here. This month, in this 91 page full-colour issue we have the following articles: Southwest Mine, Bisbee Arizona. This month, Rolf takes us to an old historic mine very close to the township of Bisbee, Arizona. Minerals and Elements: Magnesium. The next in the series on elements...

Monthly Mineral Chronicles Volume 5 Issue 10

Monthly Mineral Chronicles Volume 5 Issue 10 is now available here. This month, in this 69 page full-colour issue we have the following articles: Locality Snippet – Wheal Remfry, Cornwall. A look at the China Clay industry in Cornwall, and in particular, minerals from Wheal Remfry. Cornish Mineral Heritage –...

2023 Mineral Calendars

2023 Mineral Calendars are now available. This year, they are being produced in two sizes: Ledger size (11″x16.5″) for US and Canada A3 (29.7x42cm) for the rest of the world These calendars contain a selection of my photos that have made the Mindat Photo of the Day (on mindat.org). How...

Monthly Mineral Chronicles Volume 5 Issue 9…

…is now available here. https://sorrellpublications.com/index.php/2022/09/15/monthly-mineral-chronicles-volume-5-issue-9/ This month, in this 64 page full-colour issue we have the following articles: 2022 Ballarat Gem and Mineral Show Gold on Copper from the Carmen de Andacollo Mine, Chile. Rolf tells us about some interesting copper specimens from Chile. An Indian Mud Map. Noel gets...