Ko te wāhanga matua o te talc ko te konupora silicate me te nui o te talc i roto i te wai, ā, ko tōna tauira ngota ko mg3 [si4o10] (OH) 2. Nō te pūnaha monoclinic te talc. He āhua hexagonal, he rhombic rānei te tioata, ka kitea i ētahi wā. He maha ngā wā he kikī, he nui, he rite ki te rau, he radial me te muka ngā mea whakakotahi. Kāore he tae, he mārama, he mā rānei, engari he kakariki mārama, he kōwhai, he parauri, he whero mārama rānei nā te iti o ngā poke; he kanapa te mata o te wehenga. Te pakeketanga 1, te taumaha motuhake 2.7-2.8.

Āhuatanga
He tino pai ngā āhuatanga ā-tinana, ā-matū hoki o te paura tāruku, pērā i te whakahinuhinu, te ātete ahi, te ātete waikawa, te ārai wera, te teitei o te ira rewa, te kore mahi matū, te kaha hipoki pai, te ngawari, te kanapa pai, te kaha mimiti, me ētahi atu. Nā te mea he paparanga te hanganga karaihe o te tāruku, he āhua ka pakaru ki ngā unahi me te whakahinuhinu motuhake.

Ngā whakatakotoranga o te paura tākuma
200 mata, 325 mata, 600 mata, 800 mata, 1250 mata, 2000 mata, 5000 mata, me te 8000 mata.
Te mā: mai i te 85% ki te 96%

Tono
1. Taumata paninga: e whakamahia ana mō te tae mā me ngā momo paninga wai-e hangai ana, hinu-e hangai ana, kapia ahumahi, paninga tuatahi, peita tiaki, me ētahi atu.
2. Te karaehe pepa: whakamahia hei whakakī mō ngā momo pepa me ngā papa pepa katoa, hei kaiwhakahaere uku rakau.
3. Te kounga kirihou: whakamahia hei whakakī mō te polypropylene, te nairona, te PVC, te polyethylene, te polystyrene, te polyester me ētahi atu kirihou.
4. Karāhe rapa: e whakamahia ana mō te whakakī rapa me ngā hua rapa.
5. Taura taura: whakamahia mō te tāpiri rapa taura me te kaihoko wehewehe taura.
6. Te taumata uku: e whakamahia ana hei hanga i te porcelain hiko, te porcelain hiko ahokore, ngā momo uku ahumahi, ngā uku hanga whare, ngā uku o ia rā me te paninga, me ētahi atu.
7. Taumata rauemi ā-wai: e whakamahia ana mō te rōra ā-wai, te paninga ā-wai, te hinu ā-wai, me ētahi atu.
8. Paura paparua pai: whakamahia mō te paninga peita kounga teitei, kirihou, rapa taura, whakapaipai, paninga pepa parahi, hinu whakahinuhinu kakahu, me ētahi atu.