Complex sentence: Transparent, pale pink, columnar to tabular sixling twins up to 1 cm in diameter have been found, and aggregates of stacked stellate sixling twins consisting of transparent, pale yellow tabular crystals.
Split into simpler sentences: Transparent, pale pink, columnar to tabular sixling twins up to 1 cm in diameter. Aggregates of stacked stellate sixling twins consisting of transparent, pale yellow tabular crystals.