Before revision: topaz-rich granite contains: topaz – Mohs 8, quartz – Mohs 7, orthoclase – Mohs 6, plagioclase – Mohs 6 ~ 6.5, mica – Mohs 2 ~ 4).
After revision: topaz-rich granite contains: topaz — Mohs 8, quartz — Mohs 7, orthoclase — Mohs 6, plagioclase — Mohs 6 – 6.5, mica — Mohs 2 – 4).