This has to be the most-asked question we receive here at Mini Me Geology. Question: What are the hollow ball-like objects, such as quartz, which are found in sedimentary rocks?
Filed under: Geology / Earth Science, Minerals, Rocks on June 22nd, 2009 | No Comments »
New question from Mini Me Geology’s Ask-a-Geologist Feature! Question: What are some household items made out of igneous rock?
Filed under: Geology / Earth Science, Minerals, Rocks on June 12th, 2009 | No Comments »
Amethyst is a common, purple form of the mineral quartz. Fairly hard, amethyst is a 7 on the Mohs hardness scale which has a range from 1 (softest) to 10 (hardest).
Filed under: Geology / Earth Science, Minerals on March 16th, 2009 | No Comments »
Mini Me Geology is proud to introduce you to our great Rock Kit Storage Bag.
Filed under: Geology / Earth Science, Rocks on March 5th, 2009 | No Comments »
Quartz is the most common mineral found in the Earth’s crust. Fairly hard, quartz is a 7 on the Mohs hardness scale which has a range from 1 (softest) to 10 (hardest). Quartz, which is sometimes called “Rock Crystal,” is often colorless and has a glassy (shiny) appearance. Quartz has a white streak when rubbed [...]
Filed under: Geology / Earth Science, Minerals on December 5th, 2008 | 2 Comments »
Staurolite is a unique mineral which often forms cross-shaped twinned crystals. While staurolite is generally brown it has a colorless to grey streak and it is about as hard as quartz (7 to 7.5 on Mohs hardness scale). The name staurolite comes from the Greek word stauros which means “cross.” Staurolite forms in metamorphic rocks [...]
Filed under: Uncategorized on June 26th, 2008 | No Comments »