Ritual

a red triangle 'radiant like the rising sun' is related to the element
of fire. Its bija mantra is Ram. The presiding deity of this chakra
is Rudra with the Sakti Lakini. This chakra is related generally to
the sense of sight.
(4) Anahata (unstruck) Chakra, in the region of the heart (cardiac
plexus), has twelve letters - k, kh, g, gh, n, ch, chhj, jh, h, t, thinscribed
on golden petals. In the middle are two interpenetrating
triangles of a smoky colour enclosing another golden
triangle 'lustrous as ten million flashes of lightning', with a
Bana-linga inside the triangle. This chakra is associated with the
element air, and above the two triangles is its presiding deity, the
three-eyed Isa with Kakini Sakti (red in colour). Its bija mantra
is Yam and it is principally associated with the sense of touch.
(5) Visuddha (pure) Chakra is located at the juncture of the spinal
column and medula oblongata, behind the throat (laryngeal or
pharyngeal plexus). It has sixteen petals of smoky purple
inscribed with the letters of sixteen vowel sounds - a, a, i, 1, u, u,
ri, ri, li, li, e, ai, o, ou, m, h - and within its white pericarp is a
white circle enclosing a triangle that is inscribed with the bija
mantra Ham. The presiding deity is Sadasiva in his
Ardhanarisvara (androgynous) aspect, and the chakra is
associated with the element ether and controls the sense of
hearing.
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