Parts of a Shiva Linga:
1) Brahma Bhaaga (Shrushti): Base of the Linga.
2) Vishnu Bhaaga (Sthithi): Pindika (Pedestal) of Linga. Also represents the "Yoni" (Shakti)
@ReclaimTemples
@punarutthana
@LostTemple7
4) Paanavattam (Naala): for the Water Course after abhishekam
5) Tripundra: The Shaivite Tilaka
7) Sirovarttana: The Top of the Linga.
8) The Puja Bhaaga (Lingam) should always be made of "Pumshila" (Male Stone) and Pindika (Pitha/Yoni) should always be made of Strishila (Female Stone)