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Need clarification with HCA definitions...

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neka

Rough_Rock
Joined
Dec 10, 2002
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3
On the HCA, does the "depth" category refer to depth % of "Crown", "Girdle" or "Pavilion?"

Thanks.
 

Garry H (Cut Nut)

Super_Ideal_Rock
Trade
Joined
Aug 15, 2000
Messages
18,558
Depth % is depth in mm divided by average diameter.
Crown, pav and girdle thickness %'s almost add up to depth % (the girdle measurement on most reports is at the thin part so it will not add up to depth %)
 
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