Ask-A-Geologist Question: Why are some rocks easier to weather?

Today’s Ask-A-Geologist question is about rock weathering. Weathering can cause subtle or dramatic changes in the appearance of a rock.

How to Create a Rock & Mineral Collection

Are you fascinated with rocks and minerals? Do you want to start a collection for yourself or your kids but don’t know where to start and what types of samples to collect? I get lots of questions from people who want to start a collection but a daunted by the variety of rock and mineral types and the costs of some of these samples. Here are some great tips for starting your own collection.

Rock Detectives Kits are Weekend Fun for Elementary Kids

The Rock Detectives are the perfect mineral and rock kits for elementary age geologists. Each kit contains 6 or 7 rocks or minerals or rocks, a hand magnifier, and a printable mini-CD with 30 pages of geological information, rock and mineral identification activities, puzzles, experiments, projects, coloring pages, creative writing exercises and fun!

Do you know Sandstone?

Sandstone forms from beach sand-sized quartz grains that are glued together with quartz or calcite or compressed until they harden into a rock.

Today’s Ask-a-Geologist Question – Is being a Geologist fun?

We received this interesting question from a 10-year old who is interested in what is it like to work as a geologist.

Question: Is being a geologist fun? Or is it drudgery? Do you have to stay away from your family for long periods of time?

Still need a Halloween Costume Idea?

Be a Mini Me Geologist or a Rock! Be as creative as you want to be.  Make sure your costumes say “Mini Me Geology” on the front and snap a picture. Send us your pictures and the best costume (as chosen by our little geologists here) will win a new Rock Detectives kit! All pictures […]

We’re about to solve a Metamorphic Mystery!

Children will love to solve this Metamorphic Mystery from Mini Me Geology.   Your Metamorphic Mystery kit comes complete with six neat rock samples:  red slate, tourmaline schist, pink quartzite, white marble, granitoid gneiss and amphibolite.  Also included in the kit is a hand magnifier and a CD with 30 pages of mineral information, sample […]

How to Perform a Mineral Streak Test

A streak test is one tool that geologists use to determine the identity of a mineral. The “streak” is the color of the mineral in powdered form. Some minerals will have a streak color that is the same as the outer color of the mineral while others will have a streak color that is very different from the outer color.

Ask-a-Geologist Q&A: Sand Grains

Question: What is the name of sand grains cemented together?

New Shipment of Grossular Garnet has arrived!

A new shipment of wonderful grossular garnet crystals have arrived. Beautiful grossular garnet mineral from Mexico is one of six varieties of garnet. Each single crystal shows the natural dodecahedral form of the garnet group. These samples, from Mexico, are approximately 0.75 to 1 inch in size.