Czochralski (Pulling) Process
Inamori [Japan] (red, orange and red star), Novosibirsk [Russia] (red) and others (red, blue and colourless).
1.
Extremely fine and narrow curved growth lines (curved
striae), which may be concentric.
2. Gas bubbles of various
sizes, shapes and orientations.
3.
Faint ‘smoke-like’ or ‘rain-like’ wisps of tiny
particles, probably repre- senting remnants
of a flux used to aid melting
during growth.
4. Small unidentified black prismatic crystals in groups
(Inamori).
5.
Extremely fine exsolved
clouds of what may be rutile silk in the red star material (Inamori).
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