Like aragonite it is very frequently twinned, the compound crystals being pseudo-hexagonal in form.
2.
It is oxidized by chromic acid to isovaleraldehyde, and it forms addition compounds crystals with calcium chloride and tin ( IV ) chloride.
3.
"' Tridymite "'is a high-temperature trillings " ( compound crystals comprising three twinned crystal components ).
4.
They are transparent to translucent with a white section shows that each compound crystal is built up of six differently oriented individuals arranged in twelve segments.
5.
It has the greatest electro-optic coefficient of the linear electro-optic effect among II-VI compound crystals ( r 41 = r 52 = r 63 = 6.8?0 " 12 m / V ).
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