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AMBER

Overview : Amber is one of the organic gemstones, being the time-hardened fossilized resin of pine trees, the now extinct Pinus Succinifera, and others. As such it varies from about 20 to 60 million years old. It is light and warm to the touch, and readily produces static electricity when rubbed. Well preserved specimens of extinct insects and plant material, have been found in amber.

 

Added: Sun Jan 07 2007
Views: 47

AMETHYST

Overview : Amethyst is a form of quartz, with a silicon dioxide composition . The primary ingredient is sand. The majority of quartz samples are clear, but amethyst derives it's beautiful purple appearance due to small amounts of iron impurities in the crystal lattice.

 

Added: Sun Jan 07 2007
Views: 44

AMETRINE

Overview: Ametrine is a combination of Amethyst and Citrine, which are both a variety of quartz. Ametrine is popular among artistic cutters and carvers who play with the colors, creating landscapes in the stone. Ametrine is a very durable gemstone suited for a variety of jewelry uses. Sometimes amethyst and citrine colors are found in the same crystal of quartz.

 

Added: Tue Jan 09 2007
Views: 37

AMMONITE

Overview: Ammonites were cephalopods (predatory marine mollusks) similar to the modern Squid, Octopus and chambered Nautilus. Ammonite plays a key role in the traditional culture and magicof many tribals. Ammonites displaying one or more distinct colors or play of colors are graded A, while in B grades, colors are less distinct or they may show directional color.

 

Added: Tue Jan 09 2007
Views: 45

ANDALUSITE

Overview: Andalusite is named after Andalusia, the province of Spain where it was first discovered. Andalusite is a mineral, aluminum silicate, usually found in orthorhombic crystals of various colors.A unique variety of Andalusite is called "chiastolite". Andalusite is also pleochroic i.e. it shows different colors in different directions.

 

Added: Tue Jan 09 2007
Views: 39

Andradite

Overview: Andradite is a rare Garnet, and its gem varieties are highly regarded. It is a Silicate of calcium and iron. The most valuable gem form of Garnet is the rare Demantoid variety of Andradite. Andradite was named after the Portuguese mineralogist D'Andrade.

 

Added: Tue Jan 09 2007
Views: 42

APACHE TEARS

Overview: Apache tears are a natural, rough, circular, or cylindrical form of obsidian. Apache tears is a volcanic glass that is usually black, but is occasionally red, brown, gray, green, dark with "snowflakes," or even clear.

 

Added: Tue Jan 09 2007
Views: 41

APATITE

Overview: The name Apatite comes from the Greek word "apate" that means "to deceive" in allusion to its similarity to other more valuable minerals such as olivine, peridot and beryl. Apatite is composed of three different minerals depending on the predominance of either fluorine, chlorine or the hydroxyl group.

 

Added: Tue Jan 09 2007
Views: 38

APOPHYLLITE

Overview: The name comes from the Greek word "apa", meaning 'off', and "phyllon" meaning 'leaf'. Apophyllite is hydrous calcium potassium fluorsilicate which is often found with a small amount of iron and nickel. Apophyllite is a classic mineral specimen but rarely found as a facetted gemstone, especially in clean material.

 

Added: Tue Jan 09 2007
Views: 34

AQUAMARINE

Overview : Aquamarine is a member of the Beryl family of stones as Emerald. Meaning - "sea water" it's not hard to figure out that it derives this name due to it's color being similar to that of the ocean. The color ranges from very light to medium light blue, frequently with a light touch of green. The most desired color is the deeper shade of blue. Aquamarine is often heated to enhance the coloration; this treatment is stable and permanent.

 

Added: Sun Jan 07 2007
Views: 39

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