Flint knappings from making of tools.
Flints knapped for use as knives
Neolithic stone tools
Neolithic stone tool
Flint tool
Neolithic flint spearheads
Snowflake obsidian
Obsidian mineral stone
Flint arrowhead
Flint blades
Neolithic flint scrapers
Technique for creating a flint tool
Reproduction of the flint micropoint atttachement on arrows
Reproduction of the flint micropoint atttachement on arrow
Flint and flint dagger
1907 Harrison Eolith Dawn Stone tool
黒曜石
Snowflake obsidian gemstone on white background
TOLOWA dancing head-dress 1923
Obsidian, a glassy igneous rock
Obsidian
Variety of Igneous Rocks
Mahogany Obsidian, Oregon, USA
Obsidian bubbles
Mahogany obsidian
Obsidian flow
Obsidian specimen
Lava landscape
Obsidian-rich lava flow, Tenerife
Pebbles of snowflake obsidian rock lying on sand
Obsidian lava
Obsidian rock
Obsidian dome
Density of pumice and obsidian
Snowflake Obisidian
新緑の大瀧神社の御神体
Polish Flint
Flint stone
Surface flint, Sussex, UK
Double oxen burial with cart, Germany.
Flint tools, Grotte Mandrin, France
Furnace for making flint glass, with stirrer.
Production of tools from flint stone
Banded flint
Basaltic dyke, polarised light micrograph
Flint arrowheads excavated from La Draga Neolithic site
Flint tools
Obsidian knife with Antler handle
Prehistoric fossils and tools
Hertfordshire puddingstone
Cutting flint glass.
Flint and wood knife
Crystal healing therapy with black and white crystal wands
Shaping a flint glass vessel.
Flint with carved rainbow symbol
Flint
Variety among bronze age tools
Rubellite I
Rubellite II
Cutting and polishing flint glass (crystal) table wares.
Workshop for cutting, polishing and packing flint glass wares.
Flint tool, Grotte Mandrin, France
Devonian slates
Quartz-feldspar porphyry
Neanderthal stone tool
Flint Water Plant, Flint, Michigan, USA
Neolithic stone axe-heads
Hands Holding Flint Marbles
Neolithic flint hand-axe
Flint and Chalk, Dover, England
Banded flint from Ilza, Poland
Stone Age Artists
Fossil bryozoan, SEM
Ammonite fossils
Petroglyphs, Monument Valley, USA
Gogotte, fossilised sandstone concretion
Gogotte fossilised sandstone concretion, close-up
Prehistoric grease lamp
World Water Day, Flint, Michigan, USA
Variety Near Eastern bronze age axes
Near East luristan bronze shaft hole axes
Prehistoric stone tool
Ancient Roman columns
Manufacture of thin glass tubing by drawing out thicker glass tubes.
Church and churchyard, UK
Chalk cliffs, south-east England
Rhyolitic geode
Kentallenite - Ballaculish, Scotland, LM
Rubellite Tourmaline in Lepidolite Mica
Green Tourmaline in Muscovite, Maine
Hawaiite, thin cut, polarised light micrograph
Mica schist folds, light micrograph
Melaphyr rock, light micrograph
Fuchsite mineral stone
Two-mica granite
Rhyolite mountain, Iceland
Emeralds
Aquamarine in muscovite matrix
Aquamarine in muscovite matrix, close
Granite
Pink tourmaline crystals growing on mica
Crystals of green toumaline and pink lepidolite
Aquamarine crystals
Polished sphere of ocean jasper
Tourmaline pegmatite
Tourmaline Pegmatite
Amphibolite, light micrograph
Orthogneiss, light micrograph
Leopardskin Rhyolite Crystal Gemstone
Fossilised seed fern seeds
Goniatites crenistria fossilised in shale
Wooden sickle excavated from La Draga Neolithic site
Orbicular jasper
Analysis of prehistoric flint tool
Polished Esterel rhyolite agate
Polished specimen of muscovite
Prehistoric stone hand axe
Septarian nodule II
Neolithic winged arrow head
Neolithic winged arrow head in carved stone