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#1 | |
Member
Join Date: Jul 2012
Location: Mother North
Posts: 189
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I asked a colleague today btw, if he knew whether hippo tusks grow continually through the life of the animal and even though he wasn't sure, he pointed out a supporting fact that I hadn't considered: When the hippopotamus closes it mouth, the apical surface of the tusks in the lower jaw grind against those of the tusks in the upper jaw, perpetually wearing down the tusks from the distal end. This taken into consideration, it would make highly sense for the tusks to keep on growing and renewing throughout the life of the animal. I found a picture of a hippo skull where you can maybe get an idea of the tusks grinding against eachother: Last edited by T. Koch; 19th February 2013 at 04:23 PM. |
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#2 |
Member
Join Date: Jul 2012
Location: Mother North
Posts: 189
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Here is the standard reference picture for a hippo tusk in cross section. Normally you would see a straight line of dots appearing in an ivory piece that has been cut from lengthwise down along the left and right borders of the TIZ.
If hippo tusks indeed grow throughout the life of the animal, my guess is that your piece came from an old hippo where the continuous addition of the lamellar dentine layers over time has completely "crushed" the TIZ and reduced it to the series of dots we see from the pommel end. Notice how the angle of dots in your hilt approximately fits with the shape of the TIZ? The picture also clearly shows the laminations. It could also just be a freak - a deviation from the norm, where an animal has been born without a prominent TIZ. I don't know - but now I'm certainly dead curious to find out! ![]() Regarding the tea staining, I'm sorry but can't answer you. I don't know anything about it but would love to learn more! Where was it done, how exactly, how culturally widespread, since when, etc. I just know I like the color. ![]() All the best, - Thor |
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#3 | |
Member
Join Date: Oct 2009
Posts: 171
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However some of my kerises hilts were also producing the similar tiny dots over the TIz. Then would it be a hippo tusks as well? Generally it was touted as "sea ivory" over here, and the main indicator is the tiny dots along the TIZ, if that was ever the TIZ. Was marine ivory (walrus, sperm whale etc) doesn't have TIZ? Last edited by Moshah; 20th February 2013 at 10:55 AM. |
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#4 |
Member
Join Date: Oct 2009
Posts: 171
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I'm sorry. The pix attachment seems to get haywire a little bit but I've already arrange it in order during the posting process...
![]() It is basically three hilts, with hilt # (b) supposedly closed up on the tiny dots on the TIZ... |
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#5 |
Member
Join Date: Dec 2004
Posts: 125
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This discussion has taken an interesting tangent...
I'm no expert by any means but I did want to raise one other alternate theory. I have seen unworked "gigi" in Kelantan and Pattani and it doesn't resemble at all the hippo ivory I've seen. Rather it was represented to me as walrus tusk (gigi singa laut). Based on this experience I've always believed that gigi = walrus ivory. Comparatively, you see a lot of "gigi" in Pattani, Kelantan and Terengganu. There must have been a reliable and fairly abundant source, but the Malay world's ties with tropical Africa were pretty distant. That's not to say that some hippo ivory didn't make it there but it is very rare IMO, having as it must to travel through the traditional trading route along the African and Iranian coast, through India and then only making the jump to Sumatra, Kedah then overland (or later, through Singapore). I've only seen one hilt in Kelantan that I'm fairly confident is hippo...this is based on comparison with photos of Persian khanjar hilts I've seen. However with the walrus hypothesis you may have a source for the material. Its been reported that in the 18th and 19th centuries, American whalers sometimes wintered by sailing a loop down into the S. China Sea, following the coast of Vietnam and the Malay Peninsula before turning back east along the N. Borneo coast. They brought with them mostly whale bone and hippo ivory to trade for supplies and probably some exotics to bring home (some to the Peabody Essex apparently ![]() Anyway, perhaps someone with more expertise on the material side can do some digging and see if they can find comparisons to walrus ivory? Also, as an aside...another sea mammal here in Southeast Asia worth looking at is the dugong or sea cow. I was told by the carvers though that dugong ivory is too small to make proper "hulu gigi". Also, dugong are very rare, shy creatures which doesn't jibe with the huge supply needed to make all those gigi hilts. I've seen some badik hilts that were said to be dugong though. |
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#6 | |||
Member
Join Date: Apr 2005
Posts: 3,255
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Hello Dave,
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![]() Walrus tusks have a prominent inner core that exhibits a distinct mottled pattern upon staining or developing patina. Quote:
Are spermwhale tooth also mentioned in those accounts? While these are usually too small for carving the fairly large N Malay keris hilts, they may be the main source for those pieces that are locally identified as dugong. Regards, Kai |
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#7 | |
Member
Join Date: Aug 2007
Location: Germany, Dortmund
Posts: 9,340
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Agree with Kai and Thor, to my opinion the shown keris hilts are from hippo ivory. Walrus ivory is like Kai described, here three pictures from walrus ivory taken from other threads. I have seen only very few keris hilts worked from walrus ivory. Regards, Detlef |
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#8 | |
Member
Join Date: Oct 2009
Posts: 171
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Of course the poor dugong mentioned above was rather small, but perhaps the dugongs / sea cows of those days were fairly big as to provide enough sources for those massive pekaka hilts? It happen to the tigers and lions too, whereas now you could hardly see them raised up as big a size as their predecessors... |
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#9 | |
Member
Join Date: Apr 2005
Posts: 3,255
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Hello Moshah,
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Have a look at this recent thread and another one discussing dugong. Regards, Kai |
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