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- Raw Rhyolite, Igneous Rock Specimen
Raw Rhyolite, Igneous Rock Specimen
A raw rhyolite sample, about 1 inch long. Rhyolite is a fine-grained (aphanitic) felsic igneous rock formed when thick, viscous magma erupts, often holding phenocrysts of felsic minerals that crystallise at slightly higher temperatures than its feldspar and quartz. Its evolved chemistry makes it light compared with other igneous rocks, a useful clue for classification. It suits identification and classification and lessons on rounding and sorting. Each piece is picked and hand-processed by a geologist to show defining features, and comes in a clear, labelled and barcoded bag. Shape, size and colour vary slightly.
- Capacity / Size
- Approx. 1 in (1")
- Pack
- Single (1 EA)
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A raw rhyolite sample, about 1 inch long. Rhyolite is a fine-grained (aphanitic) felsic igneous rock formed when thick, viscous magma erupts, often holding phenocrysts of felsic minerals that crystallise at slightly higher temperatures than its feldspar and quartz. Its evolved chemistry makes it light compared with other igneous rocks, a useful clue for classification. It suits identification and classification and lessons on rounding and sorting. Each piece is picked and hand-processed by a geologist to show defining features, and comes in a clear, labelled and barcoded bag. Shape, size and colour vary slightly.
| Cat. No. | GEO-04-Z11-2001-001 |
|---|---|
| Category | Rocks and Minerals / Igneous Rocks / Extrusive (Volcanic) Igneous Rocks |
| Subject | Earth Science |
| Capacity / Size | Approx. 1 in (1") |
| Pack size | Single (1 EA) |
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