Dark ore, like the mineral that brings tin from the depths.
Cassiterite Brown is a dark brown.
It can be described as dark, dim, somber and gloomy.
Set in white, because white reads best on it.
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite was the chief tin ore throughout ancient history and remains the most important source of tin today. It is also a semiconductor.
Read on WikipediaBrown is a color. It can be thought as a darker, typically desaturated shade of orange, and can often be produced by combining red and yellow with another color, namely blue.
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