Lizardite

Lizardite

± 538,8 million yrs. BC - ± 419,2 million yrs. BC. Found: Tingelstadtjern Quarry, Modum, Viken, Norway (JN0817)

Magnesium Phyllosilicate

Chemical Formula: Mg3(Si2O5 )(OH)4

Crystal System: Trigonal

Crystal Habit: Crystals rare, as trigonal plates to truncated trigonal pyramids, commonly as extremely fine-grained scales and massive aggregates

Tenacity: Brittle

Fracture: Uneven, conchoidal, sub-conchoidal

Color: Green, brown, light yellow to white

Streak: White

Luster: Resinous, waxy, greasy

Diaphaneity: Translucent

Lizardite Exploring the Scaly Green Mineral.mp3

Lizardite: Exploring the Scaly Green Mineral

Picture a rock with a fascinating pattern that resembles the scales of a lizard. This captivating rock could contain a unique mineral known as lizardite. Lizardite is a fascinating part of our planet's geology, and today (2024) we'll take a deep dive into its definition, history, origin, and significance. Let's unravel the mysteries of this scaly green mineral!

What is Lizardite?

Imagine the Earth's crust is a giant jigsaw puzzle. Underneath the oceans and continents, there are enormous slabs of rock called tectonic plates, constantly shifting and bumping into each other. This movement causes all sorts of exciting stuff – volcanoes, earthquakes, and even the formation of mountains. It also creates intense heat and pressure far below our feet, where rocks can be squeezed and transformed into entirely new forms.

Lizardite is a mineral created in this amazing underground rock factory. It belongs to a special group of minerals called the serpentine group. The name "serpentine" comes from the word "serpent," because these minerals often have a scaly pattern that kind of looks like snakeskin.

Digging Deeper: Lizardite's Chemical Makeup

To understand what makes Lizardite unique, we need to zoom in with a super-powered microscope! See those tiny building blocks? Those are atoms – the smallest pieces of stuff that make up the entire universe. Lizardite is built from a special recipe of atoms:

Lizardite's formula is like the baker's ingredients list: Mg₃Si₂O₅(OH)₄. That tells us it has 3 magnesium atoms, 2 silicon atoms, 5 oxygen atoms, and 4 groups called 'hydroxyl' (which are made of 1 oxygen and 1 hydrogen each).

Why Does it Matter? What Can Lizardite Do?

While lizardite might not be as flashy as diamonds or gold, it plays an important role in our world:

A Bit of Word History: Where the Name Comes From

The name "lizardite" is cool because it has a story! It comes from the Lizard Peninsula in Cornwall, England. This rocky place is where lizardite was first discovered and described by scientists.

Etymology Fun Fact! Do you know what etymology is? It's the study of where words come from and how they've changed over time!

A Timeline of Lizardite Exploration

Want to See for Yourself?

If you're lucky enough to live near a natural history museum, sometimes they have displays of lizardite! In the meantime, you can admire our 3D view, here at www.historytimecapsules.com. Lizardite often has a beautiful green color, and sometimes may be yellow or white. It might look a bit waxy or greasy and can feel smooth or slightly slippery.

Learning about minerals like lizardite helps us understand the incredible changes that have shaped our planet over its vast history. It's a reminder that there's a whole hidden world just beneath our feet, waiting to be discovered!