inverness_glassworks
ART: Gardener and glass artist Jason Green shaped a piece of molten glass into a small lamp at a studio in Inverness Park last week. His glassmaking collective will be selling its first products for the holidays at a selection of West Marin shops.    David Briggs

An ice cube-sized hunk of Pyrex fused to a hollow glass tube was rotating over a propane flame in an Inverness Park garage last week. Jason Green waited for it to reach about 2500°F, when he could blow it into a tiny oil lamp—or whatever it might become. “Sometimes you don’t really know what you’re making, because it kind of depends on how the glass moves,” said Mr. Green, a San Geronimo resident and member…