1. Chiastolite; - so called from the tessellated appearance of a cross section 
2. A twin crystal

Derived forms: macles

• secobarbital
• secobarbital sodium
• Seconal
• second
• Second Advent
• Second Adventism
• Second Adventist
• second balcony
• second banana
• second base
• second baseman
• second battle of Ypres
• second best
• second childhood
• second class
• Second Coming
• Second Coming of Christ
• Second Council of Constantinople
• Second Council of Lyons
• Second Council of Nicaea
• second cousin
• second cranial nerve
• Second Crusade
• second deck
• Second Earl Grey