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

Derived forms: macles

• Pinus resinosa
• Pinus rigida
• Pinus serotina
• Pinus strobiformis
• Pinus strobus
• Pinus sylvestris
• Pinus taeda
• Pinus thunbergii
• Pinus torreyana
• Pinus virginiana
• pinwheel
• pinwheel flower
• pinwheel roll
• pinwheel wind collector
• pinwheel-shaped
• pinworm
• piny
• Pinyin
• pinyon
• piolet
• pion
• pioneer
• pious
• pious platitude
• piously