geology

Colorado Marble: American Stone Meets Italian Tradition

by | Sep 29, 2020

Colorado Marble is prized for the stone’s pure color, pure composition (99.56% calcium carbonate), light veining, and consistency of the pattern throughout the formation. These attributes and beauty – in addition to the sheer quantity of stone present – give Colorado marble a place of prominence in the world market.

Telling White Stones Apart

by | Apr 10, 2020

White stones are popular, frequently mislabeled, and often misunderstood. Learn how to tell if your white stone is a granite, quartzite, or marble. White stones are popular, frequently mislabeled, and often misunderstood.

How to Be Your Own Stone Sleuth

by | Feb 20, 2020

Learn how to test stone samples for hardness, acid resistance, and porosity. Kitchen designers, architects, fabricators, and restoration professionals can use diagnostic techniques to learn as much as they can about particular varieties of natural stone.

Natural Quartzite and Engineered Quartz: What’s the Difference?

by | Dec 6, 2019

Engineered quartz and natural quartzite are both popular choices for countertops, backsplashes, bathrooms, and more. Here’s a quick and handy reference for understanding where they come from, what they’re made of, and how they differ.

Know Your Minerals

by | Aug 30, 2019

Minerals are the components of all natural stones. The color of every natural stone, whether it’s jet black, glittery silver, or a kaleidoscope of Technicolor – comes from the individual minerals. Read more in this handy guide to the ingredients of your favorite natural stone.

Sifting Through the Confusion about Manmade Quartz Surfaces

by | May 21, 2019

Is quartz natural stone? Our geologist analyzed samples from several different quartz manufacturers. Sort fact from fiction using real scientific data to prove performance statistics.

A Scientific Guide to Shopping for Natural Stone

by | Mar 8, 2019

By experimenting on stone samples, you’ll not only gather key bits of information, but you’ll also gain confidence in the real-world attributes of various stones.

Bookmatching: Geology Meets Geometry

by | Dec 21, 2018

Bookmatched slabs sometimes look like butterflies, or Rorschach (inkblot) tests, or many other fanciful shapes. Bar none, bookmatched slabs are one of the most dramatic and impressive ways to use natural stone.

Know Your Rocks: An Overview of the Geology of Natural Stone

by | Nov 21, 2018

A bit of geology can shed light on why or where we’d want to use a given stone. Geology also helps us appreciate that every slab of stone offers a little glimpse into deep time and the dramatic forces that shape the planet.

A Soft Spot for Soapstone

by | Oct 12, 2018

Once you’ve come to terms with soapstone’s softness, you can revel in its strengths. Soapstone is remarkably resistant to staining or damage from acids. The density of the stone makes it practically impervious.

A Deep Dive Into the Properties of Quartzite

by | Aug 24, 2018

Quartzite picks up where sandstone leaves off. It’s a metamorphic rock – one that’s been baked into an extra-tough stone by the heat and pressure that only comes from deep burial way down in Earth’s crust.

Sussing Out Sandstone

by | Jul 22, 2018

Sandstone, by the most basic definition, is any stone that’s made mostly of sand-sized pieces that have been stuck together into a solid rock. That loose definition leaves a lot of room for variation.

Bluestone: Rivers and Deltas Create a Versatile American Sandstone

by | May 31, 2018

Bluestone is a fine-grained sandstone from Pennsylvania and New York, characterized by its grey-blue color—but it’s not always blue.

From Earth’s Mantle to the Fireplace Mantel: Tracing the Origins of Green Stones

by | Mar 13, 2018

Let’s explore some green stones and illuminate their properties, minerals, and geologic origins.

Mad About Marble: A Geological Look at a Classic Stone

by | Feb 15, 2018

Marble is one of the world’s most revered and useful natural materials. Read about it’s formation, patterns, colors, and technical properties.

Limestone – A Tropical Seabed Brings Us a Practical Stone

by | Jan 16, 2018

Next time you come face-to-face with a limestone slab in a showroom, pause and indulge yourself with a little mental time travel to the prehistoric, balmy ocean that created this stone.

Granite: What’s In a Name?

by | Dec 7, 2017

In the natural stone industry, “granite” often means any hard stone that is not marble. This article will talk about igneous rocks that comprise most of the granite family including gabbro, gneiss, and basalt.

That’s a Gneiss Stone!

by | Nov 3, 2017

Gneiss is among the most common commercial stones, but you may not have heard of gneiss because it’s almost always classified as granite.

Schist Happens: Get to Know This Brilliant Stone

by | Sep 28, 2017

The sparkly aesthetic comes from mica minerals, which are nature’s glitter.

Wall of Time: A Geologic Stone Wall Captures Earth’s History

by | Aug 18, 2017

Instead of just stacking the stones any which way they fit together, this geologist/home owner decided to create her wall using the stones in order of their geological ages.