Tags » Mineralogy

Lightening the clay (II)

http://www.minersoc.org/files/vermiculite-video.mp4

According to the previous post, tetrahedral and octahedral sheets combine to form layers, and we can find two main types of clay structures: structure 1:1 (one tetrahedron sheet and one octahedral sheet) and 2:1 (two tetrahedral sheets and one octahedral sheet). 1,115 more words

Lightening the clay (I)

“The more any indivisible exceeds, the heavier it is”.
Democritus (c. 460 – c. 370 BC).

What is clay?

Clays are particles. Very, very small mineral particles.

1,052 more words
Soil Science

Crystal Portraits

rose quartz

Crystal Portraits: a mineralogical folklore deck is a project of Katie Rose Pipkin (illustrations) and Olivia Pepper (text). It was borne out of a shared affection for crystals that grew out of many trips to rock shops, shared houses filled with mineral specimens, and growing crystal collections that have been bountifully augmented with gifts from one another over the years. 30 more words

Art And Artist

Searching for ‘White Gold’ in southern Greenland

Museum mineralogist Dr. Paula Piilonen was thrilled this July to be part of the educational team for the annual Students on Ice Arctic expedition. Enjoy her reflections as she continues the journey to Greenland where she collected minerals from an abandoned mining site. 898 more words

Fieldwork

A Geological Wonderland Defines a Journey with Students on Ice

Museum mineralogist Dr. Paula Piilonen was thrilled this July to be part of the educational team for the annual Students on Ice Arctic expedition. Enjoy her reflections from the first part of the trip in Labrador—a true geological wonderland—which preceeded the expedition’s journey to Greenland. 829 more words

Research