Specimens From China
Macao
1. Granite, composed of white quartz, porcelain clay, and greenish steatite, with veins of white quartz intersecting each other.
2. Fine-grained granite, composed of yellowish feldspar, white quartz, and black mica.
Quartz dykes of great magnitude traverse the granite which forms this peninsula.
Hong-Kong, One of the Ladrone Islands, Off Macao
3. Lead-coloured compact quartz rock, with imbedded crystals of flesh-coloured feldspar.
Great Lemma, One of the Ladrone Islands, Off Macao
4. Coarse-grained granite, with distinct crystals of feldspar.