How is the second treasure found

Hint 1 of 6:

The Merchant has two clues

Hint 2 of 6:

The Page of Pentacles has another

Hint 3 of 6:

The treasure's name is formed in the 8x3 block grid on the Map

Hint 4 of 6:

Combine the 3-letter sets of the 4 sections before The Merchant

Hint 5 of 6:

Combine the 3-letter sets of the 4 sections after The Page of Pentacles

Hint 6 of 6:

STAR SAPPHIRE