These are all of the collectibles (Treasures, Journal Entries, Journal Notes, Optional Conversations) that you can find in Chapter 6. There are no collectibles in the Prologue, Ch. 1, Ch. 4, Ch. 5 and Ch. 7.

0:05 - Treasure #7 (Mughal Water Container)
0:32 - Treasure #8 (Nephrite Brass Cup)
0:55 - Optional Conversation #3
1:23 - Optional Conversation #4
1:52 - Treasure #9 (Viking Cloak Clasp)
2:27 - Treasure #10 (Mother of Pearl Horn)
2:58 - Optional Conversation #5
3:29 - Treasure #11 (Persian Bronze Bowl)
3:54 - Treasure #12 (Brass Barber's Bowl)
4:19 - Treasure #13 (Syrian Vase)
5:05 - Treasure #14 (Persian Candlestick)
5:36 - Treasure #15 (Mughal Dagger)

Check out the full guide: http://www.gamerguides.com/uncharted-4-a-thiefs-end/information

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