Diorite is an often-overlooked but fascinating igneous rock that records important processes of the Earth’s interior and has played a surprising role in human history. With a characteristic medium- to coarse-grained texture and an intermediate chemical composition between mafic and felsic rocks, diorite appears in diverse geological settings and has practical uses ranging from ancient […]
The Ensham operation sits among the many coal-producing sites that have shaped Central Queensland’s industrial landscape. Located in the extensive mining province of the Bowen Basin, Ensham is best known for producing high-quality thermal coal used primarily for power generation. This article examines where the mine is, what it produces, the role it plays in
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Zinc is a versatile chemical element that plays a vital role in industry, biology, and the environment. Its unique combination of physical and chemical properties makes it indispensable across a wide range of applications, from protecting steel against rust to serving as an essential micronutrient in living organisms. This article explores where zinc occurs, how
The rapid evolution of battery technologies is reshaping the global demand for raw materials. As developers pursue higher energy density, lower cost, longer life and improved safety, different chemistries change which minerals are most valuable and where supply pressure will appear. This article examines how shifting battery chemistries affect mineral needs, the geopolitical and environmental
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Dioptase is an unforgettable mineral, immediately recognized by its intense, jewel-like color and delicate crystal habits. For collectors, geologists and lapidary artists alike, this copper-bearing mineral embodies a blend of scientific interest and aesthetic value. The following article explores dioptase from multiple angles: its nature and properties, the geological settings that produce it, its uses
Datolite is a modest but fascinating mineral that rewards close attention from collectors, gem cutters, and geoscientists alike. Often overlooked beside flashier minerals, datolite occupies an intriguing niche at the intersection of volcanic processes, hydrothermal activity, and low-temperature mineralization. This article explores its identity, where it appears in nature, practical and scientific applications, and a
Danburite is a mineral that fascinates both scientists and enthusiasts for its elegant crystal forms, gem-quality transparency, and intriguing history. In this article I will explore its composition, structure, global occurrences, practical and decorative uses, and subjects often considered interesting by collectors and lapidaries. The narrative will combine mineralogical facts with cultural and practical perspectives
The Ensham Mine sits as a prominent example of Queensland’s long-standing role in Australia’s coal industry. Located in the heart of a major coal-bearing region, the mine produces coal primarily for electricity generation and plays a significant role in local and regional economies. This article explores the mine’s location and geology, how it operates, its
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Lead is a dense, malleable element with a long and complex history in human civilization. Its physical and chemical properties made it attractive for many applications, while its adverse effects on health and the environment turned it into a major public policy and scientific challenge. This article explores where lead occurs in nature, how it
The increasing deployment of solar energy systems has put a spotlight on the materials that make photovoltaic modules possible. Among those materials, tellurium stands out as a critical, relatively rare element used in one of the major thin-film technologies. Understanding the trajectory of this element — from its geological occurrence and supply constraints to its
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