|
He pirepire karaihe kei runga noa |
pirepire karaihe i runga i te mata porotaka teitei |
Te ahua |
he kore tae, he marama, he kore mirumiru me te poke |
he kore tae, he marama, he kore mirumiru me te poke |
Awhe rahi |
20-140 mata (109-830 μm) |
10-40 mata (380-1700 μm) |
Porowhita |
≥ 80% |
≥ 90% |
Whakaata |
≥ 1.5 |
≥ 1.5 |
Kiato |
2.4-2.6g/cm3 |
2.4-2.6g/cm3 |
Nga kai matua |
SiO2 > 70% |
SiO2 > 70% |