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Streak: Hematite and Malachite
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Título: Streak: Hematite and Malachite
Descripción: Ver traducción automática
Streak is the color of a mineral powder. In many cases the apparent body color of a mineral is very different from its powder. Black hematite (left in photo) has a red streak. The green streak of malachite (right), however, is similar to its body color. A 'streak plate' is a hard porcelain tile that mineralogists typically use to create a powder when a mineral specimen is rubbed against it.
Streak is the color of a mineral powder. In many cases the apparent body color of a mineral is very different from its powder. Black hematite (left in photo) has a red streak. The green streak of malachite (right), however, is similar to its body color. A 'streak plate' is a hard porcelain tile that mineralogists typically use to create a powder when a mineral specimen is rubbed against it.
Crédito: Album / Science Source / JOEL AREM
Autorizaciones: ? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen: 3818 × 2550 px | 27.9 MB
Tamaño impresión: 32.3 × 21.6 cm | 1503.1 × 1003.9 in (300 dpi)
