Usually siva lingam was found in black colour. sivalingam is worshipped by doing different types of abhisegam with materials like food,vegetables, ash and oil. In some temples, siva lingam is made of sand and only lamps are lighted and perfumes are offered in pooja.
Speciality: specially one can find sivalingam in 5 different colours during the 5 times of pooja in a temple situated in a place called urayur in trichy district.The temple is called as panchavarneswarar temple.This temple is said to be more than 1000 years old.
5 colours of lingam seen during pooja are
1.Rathna lingam (Morning)
2.Spadiga lingam (Afternoon)
3.Gold lingam (Evening)
4.Diamond lingam (Night)
5.Chitra lingam (Midnight)
5 places where lord siva worshipped in the form of 5 elements
Bairavar,san and saturn are in a straight line here as it is a special remedial place for all types of dosham.Panchamuga vinayagar is also here.Business men worship here for welfare of business.This temple is a place where lord siva who had separate temples in the form of 5 elements in five different places can be seen as a single form as panchavarna lingam combining all 5 elements together.Amman is called as gandhimathiyammai.This temple is in urayur near trichy and direct buses are available from trichy.