David DeCourcey's Thumbnail Page
International Thumbnail Mineral Collectors Association (ITMCA)
All the specimens listed below are available for trade. If interested, I can get you a picture before trade is done. When it comes to pictures, if you give me your cell phone number, I can take a quick picture and text message it to you. If you require a picture emailed to you, that will take a bit longer.
Mineral Locality Dimensions Comments
TR001 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12X7X6 Brassy multiple XL cluster
TR002 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12x8x8 Brassy multiple XL cluster
TR003 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 14X5X5 Two tone single doubly terminated XL
TR004 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil TRADED Gone to a good home
TR005 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 10X5X5 Brassy/Holographic like doubly terminated XL group
TR006 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 11X5X5 Brassy doubly terminated XL group
TR007 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 10X5X5 Brassy doubly terminated XL group
TR008 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 11X6X6 Brassy XL with unknown associated mineral
TR009 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12X11X11 Brassy Doubly terminated mass of XLS
TR010 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 15X7X7 Single incomplete doubly terminated XL: Green/Brassy color
TR011 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12X7X6 Multiple XLS greenish in color
TR012 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 9X4X4 Smooth razor sharp single doubly terminated XL
TR013 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12X7X7 Multiple XLS cluster
TR014 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 11X10X7 Multiple XLS cluster
TR015 Anatase Cuiba District, Gouveia, Minas Gerias, Brazil 12X9X8 Multiple XLS cluster
TR016 Amethyst Mina Liliana Mine, Northern Mexico 11X9X7 Doubly terminated: Pale purple XL
TR017 Amethyst Vera Cruz, Mexico 22X25X20 Six terminated XL cluster: Pale purple color
TR018 Brookite Magnet Cove, Arkansas 7X10X5 Black XL
TR019 Pyrophyllite Indian Gulch, Maricopa County: California 13X11X7 Silver color, radiating pattern
TR020 Lazulite Quartzite Arizona 12X7X4 Blue: Massive
TR021 Eudidymite Mt. Malosa, Zomba, Malawi 10X7X1 Thin section and clear
TR022 Perovskite Magnet Cove, Hot Springs County, Arkansas 16X35X10 Massive specimen
TR023 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 20X4X4 Not terminated, light pink with a hint of light green
TR024 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 35X3X3 Light green to pink and terminated
TR025 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 16X10X7 Six XLS, Dark pink to pink: All are terminated
TR026 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 9X9X6 Complex termination: pink to light pink color
TR027 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 16X6X4 Pink terminated XL with a side XL
TR028 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 19X9X4 Doubly terminated, dark pink on one end and light pink on the other end
TR029 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California TRADED Gone to a good home
TR030 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 21X4X4 Not terminated, pink with a hint of green on the bottom
TR031 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 22X9X4 Terminated, Pink and Green mix, XL flat on back
TR032 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 21X4X4 Doubly terminated, two side XLS that are terminated, pink to light green and back to pink
TR033 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 20X9X6 Terminated with XL sitting on termination, Pink
TR034 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 20X5X4 Pink, not terminated
TR035 Amethyst Vera Cruz, Mexico 25X28X10 Five XLS, pale purple to typical color, all terminated
TR036 Amethyst Vera Cruz, Mexico 17X23X10 Single XL with a doubly terminated XL growing off it, typical color for locality
TR037 Natrolite North Horseshoe Dam, Maricopa County, Arizona 7X21X18 White XLS
TR038 Epidote C Pit, V. A. G. Quarries, Eden, Vermont 7X9X8 Terminated green single XL
TR039 Brookite Magnet Cove, Arkansas 7X7X5 Three XL group
TR040 Descloizite on Mimetite Ironwood Mine, Pima County, Arizona 16X17X8 Yellow/Rust colored XLS on matrix
TR041 Aquamarine Erongo, Namibia 8X7X7 Blocky, Terminated, single XL, nice blue color
TR042 Aquamarine Erongo, Namibia 15X5X5 Nice Blue terminated single XL
TR043 Topaz Thomas Mountain Range, Utah 15X6X5 Nice single terminated XL
TR044 Topaz Thomas Mountain Range, Utah 11X5X3 Two doubly terminated XLS on top of each other, good color
TR045 Lazulite Graves Mountain, Lincoln County, Georgia 11X6X6 Blue XLS in matrix
TR046 Howieite Laytonville Quarry, Leytonville, Mendocino County, California 17X22X22 Black with matrix
TR047 Tourmaline Nuristan, Afghanistan 12X7X6 Pink, when top lit, green rind can be seen, also visible without light, nice termination
TR048 Tourmaline Nuristan, Afghanistan 12X12X10 Pink, when top lit, green rind can be seen, also visible without light, nice termination
TR049 Quartz Biedell Mine, Saguache County, Colorado 25X5X5 Four XLS, largest XL has growth interference
TR050 Quartz Wekepeke Fault, Lunenburg, Massachusetts 23X18X20 Sharp terminated single XL
TR051 Geothite 79 Mine, 200 Level, Gila County, Arizona 22X7X5 Brown/Rust colored
TR052 Tourmaline Schorl Haddam, Connecticut 19X11X11 Doubly terminated black XL
TR053 Tourmaline Schorl Haddam, Connecticut 21X11X15 Doubly terminated black XL
TR054 Tourmaline Schorl Haddam, Connecticut 15X12X11 Doubly terminated black XL
TR055 Tourmaline Schorl Haddam, Connecticut 25X16X14 Doubly terminated black XL
TR056 Aragonite Cave of the Bells, Arizona 12X5X4 Clear XL with milky XLS
TR057 Bixbyite on Topaz Thomas Mountain Range, Utah 25X18X20 Clear XLS with mineral coating
TR058 Mordenite Rock Creek, Stevenson, Washington 7X17X18 Cream colored XLS
TR059 Fluorite on Quartz Hesson Mine, La Paz County, Arizona 25X18X11 Pale Blue XLS on milky quartz
TR060 Amethyst Mina Liliana Mine, Northern Mexico 9X6X5 Very pale doubly terminated XL
TR061 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 17X4X3 Pink terminated XL with growth on top
TR062 Realgar King County, Washington 3X2X2 Single red terminated XL
TR063 Artinite San Benito County, California 9X15X25 White puff ball on matrix
TR064 Epidote C Pit, V. A. G. Quarries, Eden, Vermont 6X5X6 Green when back lit, terminated XL
TR065 Tourmaline Schorl Pala, California 15X10X8 Single black terminated XL
TR066 Apatite Dolni Bori, Czechoslovakia 11X16X11 Two milky XLS
TR067 Quartz Suttrop, Germany 26X14X14 Yellow/Stained doubly terminated XL
TR068 Vanadinite Mibladen, Morocco 15X20X12 Red/Orange XLS
TR069 Aquamarine Erongo, Namibia 12X7X6 Gemmy Blue terminated XL
TR070 Aquamarine Erongo, Namibia 13X4X4 Gemmy Blue terminated XL
TR071 Titanite Khomas Hochland, Namibia 10X20X8 Green XL section
TR072 Amethyst Minas Gerais, Brazil 12X18X8 Water clear pale purple XLS with Hematite
TR073 Amethyst Minas Gerais, Brazil 16X20X15 Pale purple multiple XLS with hematite inclusions
TR074 Amethyst Minas Gerais, Brazil 30X12X12 Pale purple doubly terminated with hematite inclusion
TR075 Amethyst Minas Gerais, Brazil 23X28X27 Pale purple with hematite inclusions, multiple XLS
TR076 Stolzite Saint Lucie Mine, Lozere, France 7X10X7 Tan colored
TR077 Rhodochrosite Uchucchacua Mine, Lima, Peru 12X12X10 Pink massive specimen
TR078 Amethyst Santa Eulalia, Chihuahua, Mexico 20X28X27 Nice color with hematite druze on part
TR079 Quartz with Hematite Phantom Madagascar 18X6X6 Clear XL with rust color phantom
TR080 Prehnite Bombay, India 27X26X17 White XLS
TR081 Quartz Suttrop, Germany 25X11X13 Doubly terminated milky XL
TR082 Danburite Alto Chapare, Bolivia 12X5X7 Blue/Grey XL, doubly terminated floater
TR083 Smokey Quartz Fedeusbach, Switzerland 23X18X18 Light smokey XL with perfect termination
TR084 Cavansite Wagholi Quarry, Poona, India 5X8X8 Bright Blue XLS in a ball
TR085 Quartz (Adventurine) Campay, India 7X25X20 Green massive slice
TR086 Amethyst Mina Liliana Mine, Northern Mexico 7X14X7 Doubly terminated, nice light purple color
TR087 Amethyst Vera Cruz, Mexico 24X30X28 One dark terminated XL and one light doubly terminated XL
TR088 Copper after Aragonite Corocoro, La Paz, Bolivia 14X15X16 Rough faces
TR089 Rhodolite Garnet Tribal Area, Afgahistan Border Area 13X15X12 Red on edge when back lit, not very shary faces
TR090 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 16X9X8 Doubly terminated XL cluster, dark pink to light pink
TR091 Tourmaline Himalaya Mine, Mesa Grande District, San Diego, California 22X7X7 Nice termination, pink to white XL, XL looks curved slightly
TR092 Amethyst Vera Cruz, Mexico 35X15X12 Nice termination, typical color
TR093 Quartz Ocaxa, Mexico 21X10X12 Doubly terminated, like a Herkimer, mud inclusion?
TR094 Kyanite Brazil 16X11X3 White with blue stripe
TR095 Smokey Quartz Brunn, Austria 22X14X10 Dark smokey XL, nice termination
TR096 Pyrohotite Naica, Chihuahua, Mexico 25X20X17 Brassy group of XLS
TR097 Cassiterite Hunan Province, China 22X15X19 Two XLS with a hint of color in XLS
TR098 Aragonite Sefrou, Morocco 7X7X15 Orange XLS, largest is 6mm
TR099 Bikitaite Mount Victoria District, Zimbabwe, Rhodesia 12X20X25 White massive
TR100 Calcite Saint Andreashero, Saxony 40X7X7 Stacked XLS, poker chip? Bought as Ex. Pough
TR101 Grossularite Garnet Mexico 15X16X15 Green/yellow when back lit, single XL
TR102 Grossularite Garnet Mexico 17X18X17 Green/yellow when back lit, multiple XLS
TR103 Anatase Cuiaba District, Gouveia, Minas Gerais, Brazil 12X5X5 Perfect single XL,  shiney/holographic, doubly terminated
TR104 Anatase Cuiaba District, Gouveia, Minas Gerais, Brazil 14X6X6 Single, sharp, shiney/holographic, I cannot tell color
TR105 Anatase Cuiaba District, Gouveia, Minas Gerais, Brazil 20X10X7 Multiple parallel XLS, shiney
TR106 Anatase Cuiaba District, Gouveia, Minas Gerais, Brazil 17X8X8 Doubly terminated, shiney, not smooth
TR107 Staurolite Cross Along the Mississippi River, St. Cloud, Minnesota 16X15X10 Two XLS forming a cross, not perfect, but better than TR009
TR108 Staurolite Cross Along the Mississippi River, St. Cloud, Minnesota 14X11X10 Two XLS forming a cross 
TR109 Chalcopyrite Pedro Claim, Kings County, Washington 10X22X15 Unusual XLS, brassy color
TR110 Epidote Prince of Wales Island, Alaska 16X17X18 Dark green, can see color on edge when back lit 
TR111 Gypsum after Glauberite Camp Verde, Arizona 20X26X28 Multiple XLS, white
TR112 Smokey Quartz Lincoln County, New Mexico 13X22X19 Small chip on termination, not very noticable
TR113 Hematite Quartzite, Arizona 15X20X18 5mmX7mmX2mm on main XL
TR114 Heulandite Upper New Street, Patterson, New Jersey 10X20X28 Pearly XL on more Huelandite
TR115 Brookite Marget Cove, Arkansas 14X10X6 Nice cluster of XLS, four large, and two small
TR116 Topaz Thomas Range, Utah 17X6X4 Coating on back of XL, nice termination, typical color
TR117 Topaz Thomas Range, Utah 18X65X5 Nice cluster and termination on mail XL
TR118 Brookite Moses Hill, Magnet Cove, Hot Springs County, Arkansas 5X7X7 Strange shape, growth contact? Other XL is 4nnX6mmX6mm, same shape
TR119 Dolomite Hamilton County, Illinois 15X15X20 Covered in Dolomite XLS
TR120 Amethyst 4 Peaks, Arizona 22X20X9 Smokey Amethyst, doubly terminated
TR121 Pectolite Prospect Park Quarry, Haledon, New Jersey 12X22X23 Radiating masses of white fibers
TR122 Galena and Dolomite Reynolds County, Missouri 22X12X13 Two Galena XLS on matrix with minor Dolomite XL
TR123 Hematite Swansea, La Paz County, Arizona 21X21X20 So Black it gives off Blue flashes, multiple XLS
TR124 Dioptase Table Top Mountain Mine, Klondyke, Arizona 14X27X22 Five mm area with XL faces only, good color
TR125 Calcite and Datolite Upper New Street, Patterson, New Jersey 10X13X11 Doubly terminated Calcite with Datolite on one termination, Calcite is frosty
TR126 Datolite Upper New Street, Patterson, New Jersey 10X10X7 Light Green XL, frosted
TR127 Pink Chabazite Upper New Street, Patterson, New Jersey 7X8X7 Pale Pink XL cluster
TR128 Chalcedony Bowel Desert, Arizona 22X25X20 White and clear areas, flowing lines
TR129 Chabazite Upper New Street, Patterson, New Jersey 16X11X11 White XLS cluster, largest 5x5mm
TR130 Heulandite Upper New Street, Patterson, New Jersey 22X25X25 XL on matrix, pearly
TR131 Calcite Upper New Street, Patterson, New Jersey 12X22X28 Multiple XLS on martix
TR132 Natrolite Upper New Street, Patterson, New Jersey 7X14X7 Round puff ball, white
TR133 Calcite Twin Buttes Mine, Pima County, Arizona 20X26X21 Multiple XLS on matrix, milky
TR134 Azurite Metcalf Mine, Morenci, Arizona 22X17X14 Azurite balls all over matrix
TR135 Calcite Rensselaer, Indiana 23X15X15 Calcite on calcite, clear terminated tip
TR136 Cerussite Mammoth Street, Anthony Mine, Tiger Pinal County, Arizona 20X14X20 Two XLS forming a V shape, some damage
TR137 Vanadinite Puzzler Mine, Yuma County, Arizona 18X25X15 Army Green XLS all over latrix, largest is 5mm
TR138 Quartz Veta Grande, La Paz County, Arizona 25X20X16 Tabular XL with smaller XLS around, nice termination
TR139 Quartz Veta Grande, La Paz County, Arizona 24X15X7 Nice milky group of XLS, sharp termination
TR140 Smokey Quartz Lake George, Colorado 25X15X15 Dark smokey with geothite on side, nice termination, very dark
TR141 Hemimorphite 79 Mine, 300 Level, Gila County, Arizona 15X20X11 Baby blue cluster
TR142 Topaz Thomas Range, Utah 7X12X4 Double flat terminations, typical color for this location
TR143 Pink Quartz Dona Ana County, New Mexico 10X26X15 Pink cluster on matrix
TR144 Spessartine Garnet Ely, Nevada 7X9X7 Deep red, peeking from matrix
TR145 Brookite and Quartz Magnet Cove, Arkansas 18X12X9 Black quartz terminated with smaller quartsz and brookite on it
TR146 Vanadinite Western Union Mine, Mohave County, Arizona 9X10X5 Butterscotch needle XLS
TR147 Hematite and Quartz Quartsite, La Paz County, Arizona 25X25X25 Some damage, if trimmed one area has two nice XLS
TR148 Vanadinite North Geronimo Mine, La Paz County, Arizona 20X13X7 Red to orange/yellow at base XL cluster
TR149 Selenite Queens Beach Area, Hawaii Kai, Oahu, Hawaii 20X37X7 Weathered greyish mass
TR150 Tourmaline Himalaya Mine, Mesa Grande, California 31X6X3 Gemmy green and terminated
TR151 Smokey Quartz Lincoln County, New Mexico 20X22X15 Two XLS crossing, pale smokey, large XL has growth contact on back
TR152 Sphalerite Near Joplin, Missouri 28X18X10 Covered with Sphalerite XLS
TR153 Wulfenite and Quartz Barking Spider Mine, Arizona 20X20X25 Druzy quartz over orange wulfenite, hemimorphite also
TR154 Vanadinite Old Yuma Mine, Pima County, Arizona 23X20X16 Complete covered with red/orange XLS, largest XL 6mm
TR155 Vanadinite Hamburg Mine, La Paz County, Arizona 13X15X10 Small red XLS to druze
TR156 Cerussite Grand Reef Mine, Graham County, Arizona 20X16X12 Milkey cluster of XLS
TR157 Pink Quartz Dona Ana County, New Mexico 15X20X17 Vug/Geode like, multiple pink XLS
TR158 Augite Kakhaba Crater Area, Hawaii Kai, Oahu, Hawaii 12X20X12 Small black XL cluster on matrix
TR159 Calcite Laie Quarry, Laie, Oahu, Hawaii 8X30X12 Clear, not sure if it is a XL or massive
TR160 Quartz and Anthraxolite Worthy Mine, Smythe County, Virginia 12X6X7 Milky to clear, doubly terminated with anthraxolite inclusions, other XL is 10X5X5
TR161 Topaz Ban Buo Mine, Near Guonxi, China 15X20X15 Semi clear, not sure may be floater
TR162 Tourmaline Nuristan, Afghanistan 13X10X12 Pale pink, when top lit it has a pale green rind inside
TR163 Tourmaline Nuristan, Afghanistan 15X10X8 Pale pink, when top lit it has a pale green rind inside
TR164 Sphene and Chlorite Felbertal, Salzberg, Austria 30X11X5 Single chlorite covered XL
TR165 Amethyst Orange River, South Africa 27X27X21 Nice color, terminated XL
TR166 Staurolite Gourin, Morbihan, France 20X24X19 Intergrown XLS, not a cross
TR167 Barite Cave in Rock, Illinois 28X21X21 Milky white cluster
TR168 Purpurite Sandamap Mine, Usakos, Namibia 22X19X12 Numerous areas of coverage, ten+
TR169 Amethyst Vera Cruz, Mexico 27X20X10 Two XLS, typical color, minor chip on termination
TR170 Fluorite and Sphalerite Elmwood Mine, Elmwood, Tennessee 18X12X9 Purple fluorite with curved edges, sphalerite is dark yellow
TR171 Amethyst Desert Jewel Claim, Mule Creek, New Mexico 28X5X7 Pale, doubly terminated
TR172 Vanadinite Acif Mine, Morocco 37X20X15 Nice red color, floater, complex cluster
TR173 Rutile Diamantine, Minas Gerais, Brazil 15X5X5 Terminated, rootbeer color when back lit