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Rocks and Minerals · Igneous Rocks
Porphyritic Granite Specimen
A specimen of porphyritic igneous rock showing two distinct crystal sizes, the result of magma cooling slowly at first and then quickly. It is used in classroom studies of plutonic petrology.
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- Single (1 EA)
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Other sizes & packs
3 variants in this rangeSingle (1 EA)This productCat. No. GEO-04-Z12-9000-012
Pack of 12 (PK)Porphyritic Granite Specimen, Pack of 12Cat. No. GEO-04-Z12-9000-013Pack of 6 (PK)Porphyritic Granite Specimen, Pack of 6Cat. No. GEO-04-Z12-9000-014 A specimen of porphyritic igneous rock showing two distinct crystal sizes, the result of magma cooling slowly at first and then quickly. It is used in classroom studies of plutonic petrology.
| Cat. No. | GEO-04-Z12-9000-012 |
|---|---|
| Category | Rocks and Minerals / Igneous Rocks / Intrusive (Plutonic) Igneous Rocks |
| Subject | Earth Science |
| Pack size | Single (1 EA) |
| Shipping weight | 0.20 lbs / 91 gms · 0.091 kg |
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