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C D E
F G H
M N O
T U V
W X Y Z
is the most abundant mineral on Earth. The ideal crystal shape of
quartz is a six sided prism with a pyramid at each end. In nature the
crystals are often grown together and appear in a mass losing their
crystal form. Pure quartz is clear. Colored varieties include rose
quartz, amethyst, smoky quartz, and others. The most important
distinction between types
of quartz is
that of crystal
structures visible to the unaided eye and those visible only under high
magnification. Chalcedony is a generic term for cryptocrystalline quartz
which is one of the later types.
is a stunning pink gemstone with
very distinctive color and intricate scallop patterns. Itís name comes
from a combination of Greek words meaning rose colored. The pink color
of this gemstone is the result of manganese ore as it is dissolved in
the formation of stalactites and stalagmites in caves and crevices. It
is commonly found in Argentina. Healing Properties
is a manganese based mineral. It commonly occurs as a cleavable to
compact mass with a pink or rose color, sometimes browning from
oxidation. Rhodonite crystals are rare. Rhodonite is sometimes
confused with rhodochrosite. Rhodonite does not have the pink
and white scallop pattern that is distinctive of rhodochrosite.
Rhodonite may also be found in a brown or black matrix while
rhodochrosite is typically pink and white.
is a form of granite. Rhyolite is formed when the minerals which
normally make up granite harden above the ground instead of
underground. It is rich in the minerals feldspar and quartz, mica and
mineral glass. It has fine grains that cannot be seen with the
naked eye. In the U.S. it is very abundant in California and
Oregon. Rhyolite is not rare, but it has some of the most beautiful
and unusual patterns and earthy color.
is a green variety of muscovite with splashes of ruby. It can have a sparkly
shine if the crystals are small. It is often found in compact masses with
small crystals. The green color results from the presence of chromium.
Ruby Fuschite is a beautiful stone with a lovely light green
background and splashes of bright magenta throughout the stone. It
is similar to Ruby Ziosite in appearance, but it is a softer stone
and usually lighter in appearance, Ruby Ziosite having a darker green
and black background.
has needle like formations of rutile which occurs in groups of crystal
crossing at 60 degree angles often enclosed in quartz, agate or other
minerals. Saginite may appear to contain fossilized materials but it
does not. The rutiles are naturally occurring crystal formations
within the rock.
Schalenblende is a quite striking
blend of brassy and silvery metallic colors mixed with cream.
Schalenblende is a zinc-lead ore consisting of crusts of brown sphalerite, yellow wurtzite, marcasite and silver-colored galena. It is
mined in southern Poland.
is in the chlorite mineral group. The name Seraphinite comes from the Latin
seraphim which refers to angels. The chatoyant patterns are reminiscent of
feathery wings and are Mica inclusions.