Ethnographic Arms & Armour - View Single Post - semi-dual edged badik?

T. Koch · 22nd February 2013, 05:56 PM

Hi DAHenkel,

I completely share your skepticism regarding the use of hippopotamus ivory in SEA, especially considering how relatively common they seem to be among ivory hilts. I have no idea... I am just relating to the morphology of the ivory itself and given the characteristics displayed, there are just not really any local options. I too find it absolutely mind-boggling that this trade wouldn't have been described in the literature somewhere.

Regarding walrus tusk as a possible source, it is true when kai speaks about the characteristics of the inner core composed of osteodentine. It looks a bit like boiled rice. However, walrus tusks on old bulls grow really large and the diameter huge. -I've seen ones where the thickness of the layers surrounding the core was easily 5 - 7 cm. Also, the core does not extend to the tip. If walrus tusk is carved in such a way that the piece contains no core, we lose this identifying character.

Please see attachment for the standard walrus tusk cross-section photo.

The layers around the core consists mainly of dentine and a - sometimes rather thick - surrounding layer of cementum. Because of the way they are deposited, these can show a laminar structure in cross section, similar to that of the hippo. With age, these layers will tend to crack lengthwise down the tusk and radially in cross-section (as seen in the photo) I've sometimes, although on very few occasions, seen these cracks overgrow again and form small inclusions along them giving the appearance of "dots in a row". However, because of the structure of the walrus tusk, these dots will lie on a straight line as opposed to in an angle and they will appear perpendicular to the concentric laminations, as opposed to wedged in between them, as is apparent in Mosha's hilts above.

I am not disregarding walrus as a possible source for keris hilts - compared to most of you guys I've seen very few hilts in my life. I just don't believe it is the source material in the examples presented above.

All the best, - Thor

22nd February 2013, 05:56 PM	#47
T. Koch Member Join Date: Jul 2012 Location: Mother North Posts: 189	Hi DAHenkel, I completely share your skepticism regarding the use of hippopotamus ivory in SEA, especially considering how relatively common they seem to be among ivory hilts. I have no idea... I am just relating to the morphology of the ivory itself and given the characteristics displayed, there are just not really any local options. I too find it absolutely mind-boggling that this trade wouldn't have been described in the literature somewhere. Regarding walrus tusk as a possible source, it is true when kai speaks about the characteristics of the inner core composed of osteodentine. It looks a bit like boiled rice. However, walrus tusks on old bulls grow really large and the diameter huge. -I've seen ones where the thickness of the layers surrounding the core was easily 5 - 7 cm. Also, the core does not extend to the tip. If walrus tusk is carved in such a way that the piece contains no core, we lose this identifying character. Please see attachment for the standard walrus tusk cross-section photo. The layers around the core consists mainly of dentine and a - sometimes rather thick - surrounding layer of cementum. Because of the way they are deposited, these can show a laminar structure in cross section, similar to that of the hippo. With age, these layers will tend to crack lengthwise down the tusk and radially in cross-section (as seen in the photo) I've sometimes, although on very few occasions, seen these cracks overgrow again and form small inclusions along them giving the appearance of "dots in a row". However, because of the structure of the walrus tusk, these dots will lie on a straight line as opposed to in an angle and they will appear perpendicular to the concentric laminations, as opposed to wedged in between them, as is apparent in Mosha's hilts above. I am not disregarding walrus as a possible source for keris hilts - compared to most of you guys I've seen very few hilts in my life. I just don't believe it is the source material in the examples presented above. All the best, - Thor Attached Images Last edited by T. Koch; 23rd February 2013 at 08:28 AM.