"Nuraikal" is the Tamil name for pumice stone.
Pumice does not sink.
pumice
It feels like a rock. Your welcome.
the stone that never sunk in water is pumice. Because of its holes it can float easily across the water.
ruby is English no Tamil. what kind of tamilan you are? the correct name fro sapphire in Tamil is நீலம்
Pumice stone is known as "கரிசல் கல்" (Karissal kal) in Tamil.
The Tamil name for ruby stone is "மாணிக்கம்" (Maanikkam).
The Tamil name for Ruby stone is "மாணிக்கம்" (Maṇikkam).
The Tamil name for thunder stone is "இடும்பை மணி" (Idumbai Mani).
The Tamil name for emerald stone is "மரகதம்" (Maragatham).
The Tamil name for jade stone is "பச்சை மணி" (Pachai Mani).
The Tamil name for akik stone is "ஆகிக் கல்" (Aagik kal).
There is no direct word for Garnet in Tamil but, there is a name for 'cross garnet' and it is குறுக்குப் பிணைச்சல்.
இரத்தினம் (iraththinam) Ruby pavaLam = பவளம்
Topaz stone in Tamil is known as "தொப்பாஸ் கல்" (Topaz Kal).
vairam
Pumice, a volcanic stone, does not sink in water.There is one type of stone that won't SINK in water.....pumice.