Examlex
What is the name of the specialized stinging cells that jellyfishes have as part of their epidermis, and which they use to paralyze small prey?
Luster
The way a mineral reflects light from its surface, which can be metallic, glassy, dull, etc., and is used in mineral identification.
Color
The characteristic of visual perception described through hue, saturation, and brightness.
Hematite
An iron oxide mineral with a metallic luster and reddish-brown streak, commonly used as an ore of iron.
Magnetite
A magnetic mineral form of iron(II,III) oxide, often found in igneous and metamorphic rocks.
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