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Gemology

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BERYL

Overview: The name beryl is of the Ancient Greek "beryllos" which was originally applied to all green gemstones, but later used only for beryl. Beryls are hard minerals consisting of beryllium aluminum silicate. The most famous variety of beryl is emerald. Beryl is also the principle source of beryllium, which is used in the manufacture of light-weight metal alloys of high tensile strength and superior hardness and fatigue resistance.

Listing Last Modified: Tue Jan 09 2007

 


Views: 43

BLACK ONYX

Overview: The name comes from the Greek word, onux, which means fingernail. Black onyx reveals dark and deep opaque qualities. Black onyx is uniformly black chalcedony. It's one of the first grounding stones; as such, it encourages connection to material goals and to determination in realizing them. Black onyx is available as a tumbled stone, and totems.

Listing Last Modified: Tue Jan 09 2007

 


Views: 46

BLACK ONYX

Overview: The name comes from the Greek word, onux, which means fingernail. Black onyx reveals dark and deep opaque qualities. Black onyx is uniformly black chalcedony. It's one of the first grounding stones; as such, it encourages connection to material goals and to determination in realizing them. Black onyx is available as a tumbled stone, and totems.

Listing Last Modified: Tue Jan 09 2007

 


Views: 43

BLOOD STONE

Overview: Bloodstone is a green stone with red spots. It also occurs in shades of dark green with red, brown and multicolored spots. It is green plasma containing red spots of jasper, which look like spots of blood giving the stone its descriptive name. Bloodstone has Planet Mars related energy and Plutonian influences which can both weigh heavy on the mind the Rock Crystal and Rose Quartz alleviate the oppressive effects. Bloodstone contains chlorite, which creates the green colors and iron oxides that produce reds, yellows and browns.

Listing Last Modified: Tue Jan 09 2007

 


Views: 47

BLUE LACE AGATE

Overview: Blue Lace Agate is one of nature's most delicate looking gemstones designed by Janice Girardi. Blue lace agate is a beautiful, pale sky blue stone with concentric markings. It is a cryptocrystalline quartz stone. Blue lace agate is one of the rarest and most popular of the agates.

Listing Last Modified: Tue Jan 09 2007

 


Views: 44

BORACITE

Overview: Boracite is similar to quartz, in that it has high temperature and low temperature phases. Boracite is an evaporite mineral and it occurs associated with beds of halite, anhydrite, and gypsum.

Listing Last Modified: Tue Jan 09 2007

 


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CALCITE

Overview: Calcite belongs to the calcite group, a group of related carbonates that are isomorphous with one another. This name is taken from the stone's chemical component, calcium carbonate, which sometimes is mistakenly known as lime. Calcite is the one of the most common minerals on earth.

Listing Last Modified: Tue Jan 09 2007

 


Views: 43

CARNELIAN

Overview: The name Carnelian, which is derived from Carne, Latin for flesh, may be related to its color, which is similar the color of flesh. Carnelian is frequently known as a stone of great spirituality. Carnelian is composed of Silicon Dioxide, Sio2, and gets its red color from Hematite impurities. Carnelian was one of the most treasured stones of both the Greeks and Romans, who used it in signet rings and carvings.

Listing Last Modified: Tue Jan 09 2007

 


Views: 44


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