ivory
Ivory is not a stone. Please check the related link.
ivory cost
Ivory from North Africa and gemstones from around the Mediterranean and Black Sea littorals.
It isn't anymore. Ivory is just one of those precious materials that shows wealth and/or a higher quality.
Gold, cedar, silver, ivory, animal skins, precious and semi-precious stones, olive oil, wine etc
Jewerly.
Ivory Animals Minerals Timber Precious metals/jewels Crops(?)
Major imports were ivory from Africa, precious stones from India and silks from China.
Because the ivory is precious and can fetch for a lot of money on the black market
Ivory, gold, spices, printed cotton cloth, pearls, precious stone, silk and porcelain
Ivory Animals Minerals Timber Precious metals/jewels Crops(?)