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Sam Ocon posted a new activity comment 3 years, 8 months ago
3 years, 8 months ago3 years, 8 months agoHi, @Sonja-Wichern, this is possibly a sandstone or a quartzite, which can both be very heavy.
Sam Ocon posted a new activity comment 3 years, 8 months ago
Hi, @Sonja-Wichern, this is possibly a sandstone or a quartzite, which can both be very heavy.