The electrolytical coloration of synthetic quartz crystals with induced growth striations

1985 ◽  
Vol 20 (6) ◽  
pp. 733-740 ◽  
Author(s):  
Hj. Bernhardt ◽  
B. Woitzik
Keyword(s):  
Quartz Crystals ◽  
Synthetic Quartz

Synthetic Quartz Crystals

Nature ◽  
1959 ◽  
Vol 183 (4657) ◽  
pp. 294-294
Keyword(s):  
Quartz Crystals ◽  
Synthetic Quartz

Optical studies of spirals on synthetic quartz crystals

1961 ◽  
Vol 260 (1303) ◽  
pp. 475-480 ◽  
Keyword(s):  
Thin Film ◽  
Linear Boundary ◽  
Optical Studies ◽  
Quartz Crystals ◽  
Synthetic Quartz ◽  
Multiple Beam ◽  
Highly Sensitive ◽  
Solution Mechanism

An account is given of optical and interferometric studies on spiral patterns which have been found on the basal planes of synthetic quartz crystals. These patterns have high visibility and show both single and interlaced triangular spirals, of but a few turns, and always enclosed within a linear boundary. The topographies of the spirals are studied with the help of a new, highly sensitive, accurately contouring, thin-film multiple-beam interference technique which is described. The spirals differ in character from the usual growth spirals, being in effect shallow ruts running round hillocks. It is proposed that these spirals arise from an etching or solution mechanism.

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