Mowhiti spinel māwhero a Tiffany& Co. i roto i te konukawata
He maha ngā wā ka pohehetia te spinel māwhero hei taonga kikorangi māwhero, ko te rerekētanga nui i waenganui i ngā mea e rua ko te maha o ngā tae. He dichroic ngā sapphire māwhero (corundum), mā te tirotiro i ngā tūranga rerekē o te kohatu ka whakaatu i ngā atarangi māwhero rerekē, engari kāore te spinel, ahakoa te ahunga o te tae, kāore e rerekē.
papura
Ka taea e te hapaira papura te whakaatu i te māwhero papura momona, he mea ngaro, he rangatira, he ātaahua hoki, engari he mea e arohaina ana e ngā wāhine. Ko te nuinga o te wā ka hangaia ki Sri Lanka, engari he iti iho i Thailand me Myanmar. He momo hapaira kei roto he vanadium me te chromium me te tae papura, whero-papura, waioleti rānei, e kiia ana ko te hapaira papura.
Wā tuku: Whiringa-ā-rangi 15-2023