Sirach 45:10-20

10 With an holy garment, with gold, and blue silk, and purple, the work of the embroiderer, with a breastplate of judgment, and with Urim and Thummim;
11 With twisted scarlet, the work of the cunning workman, with precious stones graven like seals, and set in gold, the work of the jeweller, with a writing engraved for a memorial, after the number of the tribes of Israel.
12 He set a crown of gold upon the mitre, wherein was engraved Holiness, an ornament of honour, a costly work, the desires of the eyes, goodly and beautiful.
13 Before him there were none such, neither did ever any stranger put them on, but only his children and his children's children perpetually.
14 Their sacrifices shall be wholly consumed every day twice continually.
15 Moses consecrated him, and anointed him with holy oil: this was appointed unto him by an everlasting covenant, and to his seed, so long as the heavens should remain, that they should minister unto him, and execute the office of the priesthood, and bless the people in his name.
16 He chose him out of all men living to offer sacrifices to the Lord, incense, and a sweet savour, for a memorial, to make reconciliation for his people.
17 He gave unto him his commandments, and authority in the statutes of judgments, that he should teach Jacob the testimonies, and inform Israel in his laws.
18 Strangers conspired together against him, and maligned him in the wilderness, even the men that were of Dathan's and Abiron's side, and the congregation of Core, with fury and wrath.
19 This the Lord saw, and it displeased him, and in his wrathful indignation were they consumed: he did wonders upon them, to consume them with the fiery flame.
20 But he made Aaron more honourable, and gave him an heritage, and divided unto him the firstfruits of the increase; especially he prepared bread in abundance:

The Brenton translation of the Septuagint is in the public domain.