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Our Operations

Calix owns and operates a mine in South Australia, and a production and testing facilities at Bacchus Marsh (VIC), and the Gold Coast (QLD).


Myrtle Springs

Calix owns and operates mining tenements at Myrtle Springs, located in the Leigh Creek area, South Australia. This gives the company the benefit of long term access to high grade* magnesite minerals.


A JORC - compliant resource estimate was carried out in April 2014, with a total of over 1.3 MT of magnesite identified across the various JORC categories (Proved Ore Reserve 370 kT, Probable Ore Reserve 65 kT, Indicated and Inferred Resource 909 kT)*.


Calix uses the minerals from the Myrtle Springs mine to produce Calix's range of magnesium based products.


The deposit is expected to supply high grade minerals for production at Bacchus Marsh over the next ten to fifteen years.

*The information on this page that refers to a JORC-compliant resource is based on information prepared by Ric Horn of Hornet Resource Assessment Services Pty Ltd. Ric is a Fellow of the Australasian Institute of Mining and Metallurgy and a Chartered Professional and is bound by and complies strictly with the Institutes codes and recommended practices. Mr Horn has 47 years’ experience in the resources industry both in exploration and mining and has sufficient experience relevant to the style of mineralisation under consideration. He has 14 years’ experience involved with the deposit under consideration and activities being undertaken to qualify as a competent person as defined in the 2012 Edition of the JORC Code of the “Australasian Code for Reporting of Exploration Results, Mineral Resource and Ore Reserves”. Mr Horn consents to the inclusion on the web page of the matters based on his information in the form and context in which it appears.

Bacchus Marsh


Calix’s Bacchus Marsh facility stretches over six hectares and includes our CFC test rig, our commercial-scale CFC, and our R&D facilities.



Gold Coast

Calix’s advanced Magnesium Hydroxide Liquid (MHL) production plant on the Gold Coast was successfully commissioned in late December 2014. The plant has a capacity of 6,000 tonnes per annum per operating shift and can easily scale to grow with our customers’ needs. Using Calix’s unique, high reactivity Magnesium Oxide (MgO) powder as a feed source, the plant is capable of producing a batch of 60% solids MHL in less than 90 minutes, a world first. The plant is currently servicing all of Calix’s Queensland and northern New South Wales customers with plenty of additional capacity available for further growth, and was built with the kind assistance of a Commercialisation Australia grant.




The company has also established a hydration plant via our Joint Venture Partners in the Philippines – ACTI-Mag Asia Inc. -  and intends to keep building and operating these hydrating facilities worldwide. Calix also has an established UK office developing our business and projects in Europe.