(i) White

(ii) Tsach (6703) - dazzling, i.e. sunny, bright, (figuratively) evident:

From a primitive root; to glare, i.e. be dazzling white:

White-- The words translated as white describe the color of animals <Gen. 30:35>; manna <Ex. 16:31>; both hair and pustules located in plague sores <Lev. 13:3-39>; garments <Eccl. 9:8; Dan. 7:9>; the robes of the righteous <Rev. 19:8>, (KJV); horses <Zech. 1:8; Rev. 6:2; 19:11>; forgiven sins <Ps. 51:7; Is. 1:18>; a refined remnant <Dan. 11:35; 12:10>; the beloved one <Song 5:10>; the white of an egg <Job 6:6>; the shining garments of angels <Rev. 15:6>, (KJV) and of the transfigured Christ <Matt. 17:2>; hair <Matt. 5:36>; gravestones <Matt. 23:27>; and the great throne of judgment <Rev. 20:11>.

(from Nelson's Illustrated Bible Dictionary)

(Copyright (C) 1986, Thomas Nelson Publishers)

(iii) Purity

(iv) (a) 5:10