Porphyry - Igneous Rocks
Porphyry from Scotland with K-feldspar and quartz phenocrysts. Width of sample 8 cm. Andesite porphyrite with plagioclase phenocrysts from Santorini. Andesite is an extrusive equivalent of diorite. Width of sample 7 cm. Porphyritic rhyolite from Estonia. Rocks like that crop out in the Baltic Sea.
Miftahul JannatJuly 02, 2021
Provide a sample analysis report, and conduct a feasibility study and analysis based on the local environmental topography.
Eleanor FantJan 14, 2022
The entire team tactfully delivered a project of exceptional quality while staying on schedule & under budget.
Philippe JenvrinOct 25, 2020
We have been using it for a period of time, the quality of the product is very good, we will consider working together again.