Sedimentary Rocks

Sedimentary rocks are formed when sand, small pieces of rock, or mud are deposited as layers of sediment.

Staurolite Twins

Staurolite is a silicate mineral which occurs in metamorphic rocks and is often found with the minerals kyanite and garnet. Staurolite is a 7 to 7.5 on the Mohs Hardness Scale which has a range from 1 (softest) to 10 (hardest), has a glassy to resinous luster and a colorless streak. Prismatic crystals of staurolite are common and often found twinned.

Fire Rocks – Our new Ask-a-Geologist Question

Question: Which rocks have the name that means fire? Answer: The mineral name pyrite is derived from the Greek word for fire.

Save $20 when you buy a set of 6 Rock Detectives Kits!

Get all 6 Rock Detectives kits for the price of 5 when you buy the full set. Each kit comes complete with six or 7 cool rock or mineral samples, a hand magnifier and a CD with 30 pages of rock and mineral information, sample identification activities, puzzles, coloring pages, and experiments. Other fun activities on the CD include creating your own adventure story, making a personal geologist’s field notebook and your very own rock collection box!

Citrine Special!

The first 100 people to make a purchase from our website, www.MiniMeGeology.com will receive a free citrine crystal when they put ‘EILEEN’ in the comments section of the shopping cart! This offer is valid today only.

Today we are Sedimentary Sleuthing!

Teach your children about sedimentary rocks with this cool Sedimentary Sleuthing kit. Your kit comes complete with six cool sedimentary rock samples: lignite coal, sedimentary breccia, conglomerate, fossiliferous limestone, yellow sandstone and shale.

The Entire Line of Rock Detective Kits are Now Available!

We are thrilled to announced that our entire line of Rock Detective kits are now available.  For the next few days on our blog we will feature each of the new kits to give you a little information about each one.  To check them all out click here.
First up, is our Crystal Experiment Kit.  Children [...]

Ask-a-Geologist Q&A: Sand Grains

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

Save 20% off Entire Order

Shop now and save 20% off your entire order! Use coupon code ROCK20 at check to grab your discount.

New Ask-a-Geologist Question: Igneous Rocks

New question from Mini Me Geology’s Ask-a-Geologist Feature! Question: What are some household items made out of igneous rock?