Competition #1 for the best Indonesian shop on GOLPERA:
Dear Indonesian stone artisans,
We are pleased to announce a competition #1 for the best Indonesian shop on GOLPERA stone craft marketplace in October 2016.
It's easy to set...
Tektites (from Greek τηκτός tēktós, "molten") are gravel-size bodies composed of black, green, brown or gray natural glass formed from terrestrial...
Moonstone is a sodium potassium aluminium silicate.
Its name is derived from a visual effect, or sheen, caused by light diffraction within a microstructure consisting of a regular...
Agate /ˈæɡət/ is a cryptocrystalline variety of silica, chiefly chalcedony, characterized by its fineness of grain and brightness of color. Although agates may be found in various kinds of...
Stromatolites (from Greek στρώμα, strōma, mattress, bed, stratum, and λίθος, lithos, rock) are layered bio-chemical accretionary structures...