You Searched For: Specialty Rocks


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Supplier: Avantor
Description: Silvery, paragranite and muscovite-rich with medium garnet crystals.

Catalog Number: (470206-110)
Supplier: Avantor
Description: Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.


Catalog Number: (470025-908)
Supplier: Avantor
Description: A sawn and lacquered slab of classic Precambrian banded layers of hematite (iron) and quartz. Average size: 3" x 4". Ontario, Canada.


Catalog Number: (470015-460)
Supplier: Avantor
Description: Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.


Catalog Number: (470025-904)
Supplier: Avantor
Description: Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.


Catalog Number: (470014-828)
Supplier: Avantor
Description: Students determine a mineral's hardness between five and 10 on Mohs' scale.


Catalog Number: (470025-896)
Supplier: Avantor
Description: Glossy green dunite (olivine) inclusion in non-genetically related basalt. Average size: 3" x 4".


Catalog Number: (470026-810)
Supplier: Avantor
Description: Define and compare ways organisms have been preserved.


Catalog Number: (470025-890)
Supplier: Avantor
Description: Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.


Catalog Number: (470025-900)
Supplier: Avantor
Description: Unusual glassy tubes of fused sand produced by lightning strikes in desert sediments. Average size: 1.5"- 2".


Catalog Number: (470178-522)
Supplier: Avantor
Description: Clearly preserved ripple marks in bedded sedimentary rock. Average slab size: 6 x 8".


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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