ROUGH GEMSTONES

ROUGH GEMSTONES COLLECTED IN SOUTH AFRICA

Examples of rough gemstones are shown below. Click on any picture to enlarge.

BERYL

Aquamarine (Click to enlarge)

Aquamarine - faceting grade material, various shades - blue, green, pale blue and green

FELDSPAR

Feldspar (Click to enlarge)

Feldspar - solid material, takes excellent polish, various colours, orange to dark red

Unakite (Click to enlarge)

Unakite - pink feldspar, green epidote and quartz

Sodalite (Click to enlarge)

Sodalite - solid massive material, dark blue with white Ankerite

GARNET

Pyrope (Click to enlarge)

Pyrope - alluvial diamond fields, faceting grade material, brownish orange to red and red to red brown

Hydrogrossular - known as "Transvaal Jade", massive, translucent to subtranslucent to opaque, green due to chromium and pink due to manganese or mixed colours, even texture, polishes well

Hydrogrossular (Click to enlarge)

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Hydrogrossular - various green, dark and light

Hydrogrossular (Click to enlarge)

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Hydrogrossular - light pink

Hydrogrossular (Click to enlarge)

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Hydrogrossular - pink and light green mixed

QUARTZ CRYSTALLINE

Amethyst

Amethyst (Click to enlarge)

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Amethyst - faceting grade material, purple to light violet

Amethyst (Click to enlarge)

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Amethyst - purple to light violet with colourless material

Rose Quartz (Click to enlarge)

Rose Quartz - deep pink, always included and cracked, from chip size to large blocks, cuts and polishes well

QUARTZ CRYPTOCRYSTALLINE

Agate (Click to enlarge)

Agate - distinctly banded Chalcedony, layers differing in colour, from several locations in South Africa

Blue Lace Agate (Click to enlarge)

Blue Lace Agate - translucent Chalcedony with white and blue bands, various shades from light blue to deep blue

Moss Agate (Click to enlarge)

Moss Agate - clear to milky translucent Chalcedony with moss appearances in red (iron) black (manganese) and green (chlorite)

Rainbow Chalcedony (Click to enlarge)

Rainbow Chalcedony - brilliant mixed colours - white, yellow, red, brown, blue, grey and black, contains soft inclusions and fine cavities

Carnelian (Click to enlarge)

Carnelian - a yellow, orange, red or brown chalcedony, normally tumbled to expose the colour and recut thereafter

Jasper

Red Jasper (Click to enlarge)

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Red Jasper - with white and black Quartz inclusions

Kalahari Picture Stone (Click to enlarge)

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Kalahari Picture Stone - yellow Quartz layers separated by iron stained bans, porous material

Mugglestone (Click to enlarge)

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Mugglestone - banded red, brown, white and cream material with brown to black Hematite layers

Porcelain Jasper (Click to enlarge)

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Porcelain Jasper - yellow, red, brown, green or blue in colour, very hard, takes beautiful polish

Tigerseye (Click to enlarge)

Tigerseye - yellow brown, medium thickness slabs

Budd Stone (Click to enlarge)

Budd Stone - distinctive contoured green and white layers, swizling appearance

Green Quartz (Click to enlarge)

Green Quartz - nice solid material colour due to Fuchsite

Pudding Stone (Click to enlarge)

Pudding Stone - red, yellow, white, green, brown and black Jasper and other rounded pebbles in solid or translucent chert

IRONSTONE

Ironstone (Click to enlarge)

Ironstone - yellow to yellow brown and ironoxide banded, tends to undercut but takes good polish

MALACHITE

Malachite (Click to enlarge)

Malachite - beautiful banded material, takes good polish

SERPENTINE

Serpentine (Click to enlarge)

Serpentine - massive green serpentine, striped light green to dark green to brown, takes a matt polish

Bowenite (Click to enlarge)

Bowenite - Namaqualand Jade - mottled pale green and dark green - takes a fair polish

SUGILITE

Sugilite (Click to enlarge)

Sugilite - purple to reddish purple

AFRICAN TURQUOISE

African Turquoise (Click to enlarge)

African Turquoise - massive material - ideal for cutting and carving

VERDITE

Verdite (Click to enlarge)

Verdite - massive fine grained, vibrant dark green to emerald green, a soft rock, takes a matt polish