Glossary of Semi-Precious Stones
GLOSSARY OF SEMI-PRECIOUS STONES
AMBER: Amber is tree resin that over time, and through the process of heat
and pressure,has fossilized. For it to be called amber, the resin must be several million
years old. Amber can vary in color from yellow, to red, to even green and blue.
Though the transparent amber is considered the best commercial amber, some
varieties are cloudy.
AMETHYST: Amethyst is a variety of quartz whose color varies from violet to purple,
and is the most highly valued of the semiprecious quartzes. According to various pieces
of folklore, it can be used as a love charm, a very powerful talisman for improving sleep,
and as protection against thieves and drunkenness. Actually the name Amethyst
comes from Greek meaning non-drunkenness.
AFRICAN TURQUOISE: It’s the exciting blend of base color and the dark material
that the minerals are embedded in that this stone, which is actually a jasper, is
given the name “African Turquoise.” It is an excellent turquoise substitute and is
perfect when going for the look and texture of turquoise, but with a slightly greener
tone.
AVENTURINE: This gem is a form of quartz which stands apart because of its
transparency and the occurrence of platy minerals that give a striking glistening effect.
This effect is called aventurescence. Aventurine can be a variety of colors, but the
most desirable is green.
BLUE LACE AGATE: This form of quartz, which has an attractive soft, milky
sheen, is believed by some to have the powers to help one express themselves
if worn around the neck.
BLUE GOLDSTONE: Blue Goldstone is an aventurine speckled with minute
gold-colored sparkles. Stories attribute the discovery of goldstone to an Italian
monastic order, which responsible for it’s alternative name, “monk’s gold,” or
“monkstone.”
CARNELIAN: Having a waxy luster, Carnelian is a cryptocrystalline form of
quartz. It may be translucent, and though it is most often white to gray, grayish-blue,
or same shade of brown. Though on occasion it is nearly black. It does appear in a
variety of other colors, however.
CITRINE: This is an amber-colored gemstone that is sometimes called Citrine Quartz
or Citrine Topaz. It is a form of quartz with ferric iron impurities. According to some,
this stone can help relieve any ailments brought on by nervousness or anxiety.
It has been stated that leaving it near the head at night can dispel any unpleasant
dreams.
CHALCEDONY: May be semi-transparent to translucent, and is one of the few minerals other than quartz to be found in geodes. Some spiritualists believe that it is an excellent stone to aid and improve one’s character.
DALMATINE: An attractively speckled stone, Dalmatine, or “Dalmatian Rock,” consists of extraordinarily curious brown and black minerals embedded in a cream-colored matrix.
DENIM LAPIS: Usually speckled with yellow iron pyrites, Denim Lapis is a soothing, soft blue. In the past, it was often made into vases and bowls, and has been used for thousands of years for beads and small ornaments – and actually was known as the “sapphire of the ancients,” because of its use in mosaics. Tenderness, sympathy, are the attributes it supposedly represents.
FOSSIL JASPER: A gray semi-precious stone with a myriad of various colored fossils embedded within it, creating a variety of shapes and patterns. It is sometimes called “Turitella Agate.”
Its name comes from the Latin for “grain,” and this is possibly because the seeds of the plant pomegranate has red seeds which are similar in size, shape and color to some garnet
crystals.
GOLDSTONE: The illusion of reddish-brown color in these lustrous actually comes
from copper crystals in the matrix itself. It is believed to have properties that ward off
stress.
which it sometimes presents. While the crystal as a whole shows one color, each face
may appear to change color slightly as it is viewed from different angles, giving this stone a very distinctive quality.
HEMATITE: This highly lustrous rock is present as silvery-gray plate like masses in
some rocks. Mineral and crystal healers associate Hematite with blood, and therefore
use it as remedy for a variety of blood-related maladies.
soft blue, Moonstone can show itself in a variety of colors.
MOTHER OF PEARL: This antique white substance forms on the lining of shells in
some fresh-water and salt-water mollusks. Like pearl, it is a secretion of the mantle.
OLIVE JADE: Actually, this stone is serpentine, not jade, with colors that range from
a light avocado color to deep, olive green. Most serpentine is often mistakenly named jade.
ONYX: A variety of cryptocrystalline quartz, Onyx differs from agate only in that the bands of which is composed are parallel and regular. The deep, even, rich color of Black Onyx has given it the reputation of helping one become more steadfast and determined,
according to some folklore.
PERIDOT: One of the few gemstones that comes in only one color, though the richness of that color does vary. Sometimes called the “poor man’s emerald,” the depth of green depends on how much iron is contained in the crystal structure. Being a green stone, Peridot is believed to bring good luck.
ROSE QUARTZ: The color is caused by iron and titanium impurities, and these elements give Rose Quartz one of the most desirable varieties of the crystal. The pink to rose color is completely unique, unlike any other pink mineral species. It is believed to be ideal in helping with affairs of the heart.
TURQUOISE: Varying in color from a grayish-green hue to sky blue, Turquoise is an opaque stone with a waxy luster. The properties associated with it in folklore vary immensely, making Turquoise a very important stone in many spiritual beliefs. Though raw Turquoise has the propensity to change color over time, losing the beautiful blue tone and turning a less-attractive green,
Turquoise has been sealed, preventing impurities to enter the pores of the stone and changing its color.

