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Eudialyte
is a somewhat rare gemstone,
which is well known for its distinctive colors including magenta, pink, blue,
yellow and brown. Eudialyte is actually made up of several minerals; Sodium,
Calcium, Cerium, Iron, Manganese, Zirconium, Silicon, Hydrogen and Chlorine.
Eudialyte is usually found embedded in the host rock surrounded by other minerals.
Most of the Eudialyte on the market today comes from the Kola Peninsula of Russia.
Eudialyte’s rare beauty and distinctive colors have made it popular among mineral
collectors.
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Flint is a hard
and durable type of quartz. It has had a variety of uses through the ages:
struck with steel to spark and ignite a fire; made into arrow heads, spearheads
and other tools by early man; for building material; and it can also be
polished as a gemstone. Two types of flint commonly polished into cabochons
are Banded Flint from Poland and Ohio Flint. Ohio flint is very colorful and
polishes very nicely, it is also the state stone of Ohio. Polish Flint is not
as colorful, although it has beautiful banded patterns which make up for it’s
muted coloring. The examples I’ve seen are varying shades of grey, mauve,
brown or cream.
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Fluorite
is a mineral that comes in a variety of colors ranging from yellow, pink, blue
green and violet. Especially attractive is rainbow fluorite with it’s bands
of color. The violet variety is sometimes mistaken for amethyst. Fluorite crystals
can be either transparent or translucent.
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