Emerald Lingam idols consecrated daily except on annual Thiruvathirai star day. The reason for covering the idol with sand paste is that the idol has fragile properties and may not bear sound and light waves. The sandal paste removed from the idol is distributed to the devotees. Siruvapuri Balasubramania Swamy Temple is located on the north western side of Chennai city and is lying 33 km from Chennai. The visitor needs to take diversion from Chennai Kalkotta National Highway. The except the idols of Lord Balasubramaiya Swamy, Aadhimoolar and Navagrahams, all the other idols are carved out of emerald stone. The beautiful
Emerald enhance the apparent clarity. The inclusions and fissures within an emerald are sometime described as "jardin" (French for "garden"), because of their mossy appearance. Imperfections are unique for each emerald and can be used to identify a particular stone. Eye-clean stones of a vivid primary green hue (as described above), with no more than 15% of any secondary hue or combination (either blue or yellow) of a medium-dark tone, command the highest prices. The relative non-uniformity motivates the cutting of emeralds in cabochon form, rather than faceted shapes. Faceted emeralds are most commonly given an oval cut, or the signature