Beginner's Guide to Mineralogy

Header image showing a row of simple crystal shapes representing different crystal systems, with faint wireframe unit cells in the background, for a chapter on crystal systems and symmetry.

Chapter 9: Crystal Systems – The Geometry of Mi...

In Chapter 8 we saw that minerals are built from ordered, repeating arrangements of atoms. This internal order is not random. It creates patterns of symmetry that repeat in three...

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Chapter 9: Crystal Systems – The Geometry of Mi...

In Chapter 8 we saw that minerals are built from ordered, repeating arrangements of atoms. This internal order is not random. It creates patterns of symmetry that repeat in three...

1 comment
Minimalist abstract illustration of a repeating three-dimensional lattice of connected spheres extending into depth, representing ordered atomic structure and symmetry in minerals.

Chapter 8: Structure in Minerals

In chapter 6 we briefly touched upon structure in minerals. Now let’s dive deeper into it.  We already saw that atoms do not remain isolated. They combine in ways that...

Chapter 8: Structure in Minerals

In chapter 6 we briefly touched upon structure in minerals. Now let’s dive deeper into it.  We already saw that atoms do not remain isolated. They combine in ways that...

Minimalist abstract illustration showing particles transitioning from a scattered, disordered arrangement into a structured, repeating grid pattern, representing the shift from instability to stable order.

Chapter 7: Why Atoms Combine — Ions, Energy, an...

In the previous chapter, we saw that minerals are defined not only by their composition but also by the way their atoms are arranged in ordered structures. This raises a deeper...

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Chapter 7: Why Atoms Combine — Ions, Energy, an...

In the previous chapter, we saw that minerals are defined not only by their composition but also by the way their atoms are arranged in ordered structures. This raises a deeper...

1 comment
Infographic showing mineral classification wheel with eight groups—silicates, carbonates, oxides, sulfides, sulfates, halides, native elements, and phosphates—each with example minerals like quartz, calcite, hematite, pyrite, halite, gold, and apatite.

Chapter 6: Mineral Classification and Structure

Minerals form in diverse environments, from molten magma to evaporating lakes, yet their diversity is not chaotic. Beneath their colors, shapes, and origins lies a systematic chemical and structural order....

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Chapter 6: Mineral Classification and Structure

Minerals form in diverse environments, from molten magma to evaporating lakes, yet their diversity is not chaotic. Beneath their colors, shapes, and origins lies a systematic chemical and structural order....

1 comment
Diagram illustrating four mineral formation processes: crystallization from magma, hydrothermal vein formation, metamorphic changes under pressure and temperature, and low-temperature surface precipitation.

Chapter 5: How Minerals Form: Processes and Con...

Minerals do not all form the same way. Even though their structures follow clear rules, their origins can be very different depending on temperature, pressure, chemistry and the geological environment....

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Chapter 5: How Minerals Form: Processes and Con...

Minerals do not all form the same way. Even though their structures follow clear rules, their origins can be very different depending on temperature, pressure, chemistry and the geological environment....

2 comments
Cutaway illustration of Earth showing the internal structure with solid inner core, liquid outer core, mantle, and thin outer crust beneath the planet’s surface.

Chapter 4: Inside the Earth

How Earth’s Layers Shape the Minerals We Find After the first minerals formed on the young Earth, the planet continued to cool and organise itself internally. This created three major...

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Chapter 4: Inside the Earth

How Earth’s Layers Shape the Minerals We Find After the first minerals formed on the young Earth, the planet continued to cool and organise itself internally. This created three major...

1 comment