Flights of the spirit
Article Abstract:
Jewelry designer Terence McBride prefers using colored stones such as tourmalines and pearls for his jewelry. His works, which focus on earrings, are characterized by the recurrence of the number three, to symbolize the trilogy of the mind, body and spirit.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1997
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Painting the ruby red
Article Abstract:
A ruby is red because it transmits or reflects the red wavelength of the visible spectrum and absorbs the rest. This is made possible by chromium ions interspersed in the crystal lattice of the gem which selectively transmit light.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
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Painting the ruby red
Article Abstract:
Metallic element ions determine the color of gemstones. Valence, the type of atomic bond and color centers also contribute to the gemstone's color.
Publication Name: Lapidary Journal
Subject: Hobbies and crafts
ISSN: 0023-8457
Year: 1992
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