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- Augen Gneiss Specimen (Metamorphic Rock), Hand Sample
Augen Gneiss Specimen (Metamorphic Rock), Hand Sample
An augen gneiss hand sample, about 3 inches. Gneiss, a metamorphic rock of high grade, forms when other rocks are altered by intense heat and pressure, so the minerals become foliated, often in alternating light and dark bands. Relict xenocrysts (the "augen", or eyes) preserve the stress direction from the time of alteration, making it ideal for teaching differential stress, foliation, the rock cycle and metamorphic rock identification. Sized for classroom identification labs and aligned with NGSS evidence statements; supplied in a clear, labelled, barcoded bag.
- Capacity / Size
- Approx. 3 in (3")
- Pack
- Single (1 EA)
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An augen gneiss hand sample, about 3 inches. Gneiss, a metamorphic rock of high grade, forms when other rocks are altered by intense heat and pressure, so the minerals become foliated, often in alternating light and dark bands. Relict xenocrysts (the "augen", or eyes) preserve the stress direction from the time of alteration, making it ideal for teaching differential stress, foliation, the rock cycle and metamorphic rock identification. Sized for classroom identification labs and aligned with NGSS evidence statements; supplied in a clear, labelled, barcoded bag.
| Cat. No. | GEO-05-Z11-2002-001 |
|---|---|
| Category | Rocks and Minerals / Metamorphic Rocks / Foliated Metamorphic Rocks |
| Subject | Earth Science |
| Capacity / Size | Approx. 3 in (3") |
| Pack size | Single (1 EA) |
| Shipping weight | 0.20 lbs / 91 gms · 0.091 kg |