Iron Silicide Flower.
The product of vapours condensation at carbothermal reduction of bauxites in argon atmosphere.
Colour imagination: "Flower & Simuliidae" (animated by Java applet).

Tungsten Coral.
This object was formed in the resistance furnace with a tungsten liner.
Colour imagination: "Tungsten Coral " (animated by Java applet).

The Libido Test - What is it? The right answer:
Crystal of aluminum oxycarbide. The product of vapours condensation at carbothermal reduction of alumina in argon atmosphere.
Colour imagination: "Censored".