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Back-To-School 2020 Science Supplies Sale
Back-To-School 2020 Science Supplies Sale
Luster Rocks Kit - Image One
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Luster Rocks Kit

by xUmp.com   Item#: 15847  
List Price:$24.99
Sale Price: $21.99 /each
You Save: $3.00 (12%)
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Luster is the physical property of minerals which describes the appearance of reflected light from fresh mineral surfaces. Lusters fall into two basic categories: Metallic (opaque and metal-like) and Non-metallic (transparent in fine thin particles immersed in luquid.)

The surface appearance of non-metallic minerals is further described as being adamantine (brilliantly reflecting), vitreous (bright and shiny such as broken glass), earthy, waxy, resinous, pearly, silky, greasy and dull.

With this 15 minerals luster set you get to explore all categories or both metallic and non-metallic luster.

Included Minerals:

METALLIC:

  • Specular Hematite (metallic)
  • Magnetite (dull metallic)
  • Pyrite (metallic)

NON-METALLIC:

  • Milky Quartz (vitreous)
  • Sulfur (resinous to greasy)
  • Microcline Feldspar (vitreous to pearly)
  • Rose Quartz (vitreous)
  • Nepheline (greasy to pearly)
  • Talc (greasy to pearly)
  • Calcite (subvitreous to vitreous)
  • Muscovite (vitreous to pearly)
  • Chalcedony (waxy to dull)
  • Satin Spar gypsum (silky)
  • Alabaster gypsum (dull to earthy)
  • Quartz crystal (adamantine)

Each mineral specimen is approximately 1 inch in diameter and is numbered (reference card is included.)


Age:
14 +
Box Size:
7.25 x 5.00 x 1.50 inches
18.42cm x 12.70cm x 3.81cm
Weight:
0 lb 13 oz
0.35 kg

Warning:
CHOKING HAZARD
Small parts. Not for children under 3 yrs.

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