  We present the scaling properties of Lambda, Xi, Omega and their
anti-particles produced at mid-rapidity in Au+Au collisions at RHIC at
sqrt(s_NN) = 200 GeV. The yield of multi-strange baryons per participant
nucleon increases from peripheral to central collisions more rapidly than the
Lambda yield, which appears to correspond to an increasing strange quark
density of matter produced. The value of the strange phase space occupancy
factor gamma_s, obtained from a thermal model fit to the data, approaches unity
for the most central collisions. We also show that the nuclear modification
factors, R_CP, of Lambda and Xi are consistent with each other and with that of
protons in the transverse momentum range 2.0 < p_T < 5.0 GeV/c. This scaling
behaviour is consistent with a scenario of hadron formation from constituent
quark degrees of freedom through quark recombination or coalescence.
