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Home > Geology, Rocks & Minerals
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Rock & Fossil Collections Geology Fun
Individual Rocks: Tumbled & Rough Rock testing kits
Bookends & Large Display Rocks Fossils
Meteorites Geodes
Agate Sections Rock Tumblers
Stands & Supports Amethyst
Quartz Iron Pyrite (Fool's Gold)

Minerals & Rock Collections

The Earth is billions of years old. In that time it has produced some of the most marvelous rocks and minerals. From quartz to bismuth to fluorite, there a host of Earth's treasures that we carry. Cut and break your own geodes, amethyst, tumbled rocks, quartz, versatile agate. We even have meteorites for those wanting something a little extra-terrestrial. Also available is a wide variety of fossils of various types. There's something quite special to holding stone that was once part of something living millions of years ago. We carry a wide variety of rock sets, individual rocks, and fun rock science.

Please note: There has been recent international concern about the conditions under which collector rocks and minerals are mined, with allegations of labor and environment abuse. Please be assured that Spectrum Scientifics sources our rocks and minerals from reliable and responsible mineral sources.
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Rose Quartz 3/4" - Tumbled
Rose Quartz 3/4" - Tumbled
Our Price: $0.50

Rose quartz is a variety of quartz that exhibits is pale pink hue due to small amounts of other minerals such as iron. Rose quartz is often used as an attractive, affordable mineral. more info
Carnelian Tumbled 3/4"
Carnelian Tumbled 3/4"
Our Price: $0.50

Carnelian is a form of chalcedony with a reddish brown color. Its most common use in older days was as a hot wax imprinter as wax will not stick to carnelian. more info
Assorted Sparkle Quartz -3/4"
Assorted Sparkle Quartz -3/4"
Our Price: $0.50

Imagine tumbled clear Quartz that has more inclusions than normal, and is tinted in different colors. That's Sparkle Quartz! Multiple colors that sparkle magnificently in the light. more info
Snowflake Obsidian 3/4" Tumbled
Snowflake Obsidian 3/4" Tumbled
Our Price: $0.50

Obsidian is a form of volcanic glass that has a very black color. The inclusion of small, white pieces of cristobalite form 'snowflake' patterns in the glass and offset the black color. more info
Amazonite 3/4" Tumbled
Amazonite 3/4" Tumbled
Our Price: $0.50

Amazonite is a form of feldspar mineral. Despite its name, it does not actually come from the Amazon River. more info
Blue Dalmation Stone 3/4" Tumbled
Blue Dalmation Stone 3/4" Tumbled
Our Price: $0.50

Dalmation stone is a variety of Jasper that has spots. This variety has been dyed blue for color and contrast. more info
Unakite - Tumbled  3/4"
Unakite - Tumbled 3/4"
Our Price: $0.50

Unakite is a 'Made in the USA' rock that is actually a combination of pink orthoclase feldspar and green epidote. The result is an interesting mix of the two colors along with a mottled appearance. more info
Turitella Agate - 3/4" - Tumbled
Turitella Agate - 3/4" - Tumbled
Our Price: $0.50

Turitella Agate is actually more a fossil than agate. The spots seen on the rocks are actually the fossilized shells of the gastropod E. more info
Brecciated Jasper - 3/4"  Tumbled
Brecciated Jasper - 3/4" Tumbled
Our Price: $0.50

Jasper is an opaque form of chalcedony. Brecciated jasper is jasper that has been roughed up during tectonic activity and has had its voids and pockmarks filled with other colors of jasper. more info
Jade - Tumbled 1/2" - 3/4"
Jade - Tumbled 1/2" - 3/4"
Our Price: $0.50

Jade - Tumbled 1/2" - 3/4"

Jade is a light-green metamorphic stone. This is the Nephrite version of jade.
more info