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<blockquote data-quote="Celebrim" data-source="post: 6521764" data-attributes="member: 4937">Azurite: Deep blue, usually subgem grade mineral, often banded due to inclusion of other minerals.&nbsp; Most commonly powdered and used to make paint.&nbsp;&nbsp; Widespread in Europe but most significant deposits near Lyons, France.Agate: Banded or mottled semi-precious stone.&nbsp; Part of the quartz family of stones.&nbsp; Very widespread, and not particularly rare.&nbsp; Virtually any color.&nbsp; Each location tends to produce different ranges of colors and patterns.&nbsp; Quality depends on size, how pleasing the pattern is, and how well the stone takes polish.&nbsp; Lapus Lazuli: Deep blue stone.&nbsp; Imported to Europe from Afghanistan.Turquoise: Fragile light blue stone.&nbsp; Quality depends on hardness, size, and lack of inclusions.&nbsp; Imported to Europe from what is now modern Iran.&nbsp; Carnelian: The bright red form of agate.&nbsp; Quality depends on the purity of the color.&nbsp; Imported from India but also found in Germany.Chalcedony: The pure white form of agate.&nbsp; &nbsp; Quality depends on the purity of the color.&nbsp; Imported from what is modern Turkey.Sard: Dark red agate.&nbsp; Imported from Turkey. Sardonyx: Banded agate of white and some shade of red or brown.&nbsp; Imported from India.Onyx: Banded agate of white and black.&nbsp; Imported from India and Tunesia.Smoky Quartz: Part of the large family of colored crystalline quartz.&nbsp; Fairly widely distributed.&nbsp; Scotland was a major source in the middle ages.&nbsp; It is also found in Switzerland.Zircon: Pale translucent stone similar in appearance to diamond.&nbsp; Quality depends on size and color.&nbsp; Widespread but rare as a crystalline inclusion in many rocks.&nbsp; Jasper: Like agate, a large family of opaque semi-precious stones that can be almost any color and are often patterned.&nbsp; In fact, can be patterned together with agate.Amesthyst: The purple form of crystalline quartz.&nbsp; During the middle ages, was extremely rare and prized as a stone of the first rank alongside diamonds, rubies, and the like.&nbsp; Stones would have been imported from as far away as Korea.&nbsp; Believed by the ancient greeks to prevent intoxication, foolishness, and cure hangovers.&nbsp; Very common in Brazil, and mining there has rendered the stone semi-precious.Aquamarine: The blue form of beryl.&nbsp; Imported from east Africa and Madasgascar.</blockquote>

[QUOTE="Celebrim, post: 6521764, member: 4937"] Azurite: Deep blue, usually subgem grade mineral, often banded due to inclusion of other minerals. Most commonly powdered and used to make paint. Widespread in Europe but most significant deposits near Lyons, France. Agate: Banded or mottled semi-precious stone. Part of the quartz family of stones. Very widespread, and not particularly rare. Virtually any color. Each location tends to produce different ranges of colors and patterns. Quality depends on size, how pleasing the pattern is, and how well the stone takes polish. Lapus Lazuli: Deep blue stone. Imported to Europe from Afghanistan. Turquoise: Fragile light blue stone. Quality depends on hardness, size, and lack of inclusions. Imported to Europe from what is now modern Iran. Carnelian: The bright red form of agate. Quality depends on the purity of the color. Imported from India but also found in Germany. Chalcedony: The pure white form of agate. Quality depends on the purity of the color. Imported from what is modern Turkey. Sard: Dark red agate. Imported from Turkey. Sardonyx: Banded agate of white and some shade of red or brown. Imported from India. Onyx: Banded agate of white and black. Imported from India and Tunesia. Smoky Quartz: Part of the large family of colored crystalline quartz. Fairly widely distributed. Scotland was a major source in the middle ages. It is also found in Switzerland. Zircon: Pale translucent stone similar in appearance to diamond. Quality depends on size and color. Widespread but rare as a crystalline inclusion in many rocks. Jasper: Like agate, a large family of opaque semi-precious stones that can be almost any color and are often patterned. In fact, can be patterned together with agate. Amesthyst: The purple form of crystalline quartz. During the middle ages, was extremely rare and prized as a stone of the first rank alongside diamonds, rubies, and the like. Stones would have been imported from as far away as Korea. Believed by the ancient greeks to prevent intoxication, foolishness, and cure hangovers. Very common in Brazil, and mining there has rendered the stone semi-precious. Aquamarine: The blue form of beryl. Imported from east Africa and Madasgascar. [/QUOTE]

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