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.
Each mineral specimen is approximately 1 inch in diameter and is numbered (reference card is included.)
Affordable pack of 10 PPE face shields for protection from liquids.
High-protection, fluid-resistant and anti-static disposable lab coat in size Large.
Save with this large package of 300 medium-size nitrile exam gloves!
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
Great premium general purpose KingSeal Nitrile gloves in size SMALL. Not for medical use.
These disposable face shields are popular with health professionals, dentists, EMTs, etc. They act as a full-face barrier protection against body fluids.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This classic device is used to demonstrate the conservation of mechanical energy.
Use this kit to introduce electromagnetic principles in the classroom setting!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
A combination of three of our great discovery toys, all in one package!
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