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Bulk Rocks & Gems


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Photo of the: Chrysocolla - Bulk Mineral

Chrysocolla - Bulk Mineral

This is a beautiful speciment of Chrysocolla rock. Makes a great addition to your school rock collection!

Item#: 11203 Age: 7+
5 star rating (3 customer reviews)

Photo of the: Petrified Wood - Bulk Mineral

Petrified Wood - Bulk Mineral

Is this really wood? Well, it certainly used to be! An essential mineral to add to any mineral collection!

Item#: 13341 Age: 7+

Photo of the: Gypsum Rosettes - Bulk Mineral

Gypsum Rosettes - Bulk Mineral

Beautiful gypsum rosettes or desert roses. Great for geology study.

Item#: 10975 Age: 7+

Photo of the: Citrine Points - Bulk Mineral

Citrine Points - Bulk Mineral

Neat rock for the geology fanatic in your family!

Item#: 11206 Age: 7+

Photo of the: Amethyst - Bulk Mineral

Amethyst - Bulk Mineral

This beautiful mineral is actually quartz with iron impurities!

Item#: 10973 Age: 7+
5 star rating (1 customer reviews)

Photo of the: Optical Calcite - Bulk Mineral

Optical Calcite - Bulk Mineral

How to demonstrate natural birefringence or image-doubling? Use this chunk of optical calcite.

Item#: 10968 Age: 7+
4.5 star rating (2 customer reviews)

Photo of the: Fluorite - Bulk Mineral

Fluorite - Bulk Mineral

A MUST-HAVE for the rock collector in your family!

Item#: 12300 Age: 8+

Photo of the: Amazonite - Bulk Mineral

Amazonite - Bulk Mineral

Unique rock to add to your rock collection!

Item#: 11197 Age: 7+

Photo of the: Quartz Point - Bulk Mineral

Quartz Point - Bulk Mineral

Neat Quartz points, made from one of the most abundant and most useful minerals on Earth.

Item#: 10970 Age: 7+

Photo of the: Emerald Quartz - Bulk Mineral

Emerald Quartz - Bulk Mineral

This emerald quartz specimen is a great addition to any rock collection!

Item#: 14257 Age: 7+
5 star rating (1 customer reviews)

Photo of the: Selenite - Bulk Mineral

Selenite - Bulk Mineral

An essential mineral to add to any mineral collection!

Item#: 13343 Age: 7+

Photo of the: Chalcopyrite - Rough Bulk Mineral

Chalcopyrite - Rough Bulk Mineral

A unique mineral that will show off the breadth of your knowledge for your next science project.

Item#: 13346 Age: 7+
5 star rating (3 customer reviews)

Photo of the: Quartz - Tumbled Bulk Mineral

Quartz - Tumbled Bulk Mineral

Great tumbled quartz piece to add to any rock collection!

Item#: 13661 Age: 7+

Photo of the: Quartzite Chunks - Pack of 10

Quartzite Chunks - Pack of 10

Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone.

Item#: 17308 Age: 14+

Photo of the: Orange Calcite - Bulk Mineral

Orange Calcite - Bulk Mineral

Beautiful rock to add to your rock collection!

Item#: 11199 Age: 7+

Photo of the: Banded Sandstone Chunks - Pack of 10

Banded Sandstone Chunks - Pack of 10

Sandstone is a clastic sedimentary rock composed mainly of sand-sized silicate grains.

Item#: 17288 Age: 14+

Photo of the: Quartz Chalcedony Chunks - Pack of 10

Quartz Chalcedony Chunks - Pack of 10

You will get a set of ten Quartz chalcedony chunks approximately 1 inch in size.

Item#: 17304 Age: 14+

Photo of the: Calcite Cleavages - Pack of 10

Calcite Cleavages - Pack of 10

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate.

Item#: 17307 Age: 14+

Photo of the: Pink Dolomite Chunks - Pack of 10

Pink Dolomite Chunks - Pack of 10

The Dolomites are sedimentary carbonate rocks composed mainly of the mineral dolomite. A high manganese content gives the crystals a rosy pink color.

Item#: 17306 Age: 14+

Photo of the: Snowflake Obsidian Chunks - Pack of 10

Snowflake Obsidian Chunks - Pack of 10

You will get a set of ten Snowflake Obsidian rocks approximately 1 inch in size.

Item#: 17289 Age: 14+


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