Size Range: 1"-2.5"The pictures are an average representation of what you may receive. Larger specimens will be prioritized first.  

Polish astronomer Nicolaus Copernicus was the first modern European scientist to propose that Earth and other planets revolve around the sun. The suggestion that Earth was not the center of the universe was widely resisted by society at the time. Some context...

One of the most important actions we can take on climate justice is to vote for pro-climate politicians at all levels of government--local, state, and national. Show your support for climate hawk candidates up and down the ballot with this...

This rock is an intrusive igneous form called gabbro which makes up much of Earth’s oceanic crust. This rock, sometimes called “black granite” in the ornamental stone industry, helped prove the theory of plate tectonics in the 1960s. When researchers...

The Pale Blue Dot patch pays homage to the Pale Blue Dot photograph, taken by the Voyager 1 space probe. Thirty years after the photo was taken, it continues to inspire wonderment and serve as a reminder to care for the only home...

The Pale Blue Dot pin pays homage to the Pale Blue Dot photograph, taken by the Voyager 1 space probe. Thirty years after the photo was taken, it continues to inspire wonderment and serve as a reminder to care for the only...

One of the most important actions we can take on climate justice is to vote for pro-climate politicians at all levels of government--local, state, and national. Show the world that you are a climate voter and that you support climate...

A Mentor Book/ from The New American Library of World Literature, Inc.; 4th Printing edition (January 1, 1953)   Modern seismology is a relatively new science; most current ideas originated no earlier than the latter half of the nineteenth century....

-An essay to which the Adams prize in the University of Cambridge was adjudged in 1911.Published in 1967 by Dover Publications Hardcover: 180 pagesCondition: Excellent 

The purpose of this text is to provide assessments from the scientific community to aid policymakers in decisions on societal problems that involve geo-phsyics. Published in 1980Measures approximately 11" x 8.5" x 1.5"

Reflects developments in the earth sciences which provides an integrated, global overview of the geosciences. Published in 1978.

Published in 1978 "The need for 'plain geology' has evolved into the need for 'plain earth science' and that need is greater now than ever before: For the sake of our very survival, legislators, policy-making officials, and the general public...