Henri Koskinen:
Levyne crystals
Henri Koskinen:
Chabazite twins
Henri Koskinen:
Mesolite from Lanzarote
Henri Koskinen:
Zeolites from Lanzarote, Canary Islands
Henri Koskinen:
A prism of calcite covered with crystals of thomsonite
Henri Koskinen:
Olivine
Henri Koskinen:
Olivine
Henri Koskinen:
Unknowns from Lanzarote
Henri Koskinen:
Black chabazite from Lanzarote
Henri Koskinen:
Unknown from Lanzarote
Henri Koskinen:
Chabazite
Henri Koskinen:
Thomsonite
Henri Koskinen:
Calcite/aragonite crystals from Lanzarote
Henri Koskinen:
Gypsum, Lanzarote
Henri Koskinen:
Fossil in volcanic conglomerate
Henri Koskinen:
Fossil in a conglomerate from Lanzarote
Henri Koskinen:
Zeolites from Lanzarote
Henri Koskinen:
Zeolites from lanzarote
Henri Koskinen:
Unknown zeolites from Lanzarote
Henri Koskinen:
Zeolites from Lanzarote
Henri Koskinen:
First test with Nikon 10x microscope objective
Henri Koskinen:
Unknown zeolites from Lanzarote, Canary Island
Henri Koskinen:
Crystal of analcime
Henri Koskinen:
Crystals of analcime
Henri Koskinen:
Thomsonite crystals
Henri Koskinen:
Crystals of thomsonite
Henri Koskinen:
Todorokite, mesolite
Henri Koskinen:
A cavity in basalt with waterclear crystals of analcime.
Henri Koskinen:
Crystals of analcime
Henri Koskinen:
Crystals of analcime
