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Geosource
Your Source for Quality Earth Science
Educational Products at Low Prices

Specialty Minerals

G4590959 Agrellite

A rare Silicate mineral, fluorescent under both LW and SW UV light. 2" X 3", Quebec. $29.75

G490630 Almandine

Garnet group, crystals in a     1 1/2" - 2" matrix $18.95

Apophyllite

Crystal Groups of Clear to white apophyllite, India
2"x 2" SM062 $24.95 Each
2"x 3" to 3"x 4" SM062-1 $39.00 Each
Stock Number

G490952 Aragonite

Crystal clusters, pesudoorthorhombic groups 2" $12.50

SM001 or G490955 Aragonite

White branching crystal group, fluorescent under UV light. 2 3/4" to 4". Mexico $14.00

SM002 or G495760 Azurite

Brilliant blue, small to drusy crystals  on quartz, etc. from Morocco. 2" to 3". $15.00

G491015 Barite

Picture
"Desert Rose" barite crystals in a radially symmetrical group. 2", Mexico or Oklahoma $ 6.95


G491072 Bismuth

Synthetic, iridescent skeletal crystal, 1" $15.95

SM005 Calcite (Iceland Spar)

Clear rhombic cleavage showing double refraction. Mexico. 2" x 3" $25.00  

SM003 or G491600 Calcite (Iceland Spar)

Clear rhombic cleavage showing double refraction. Mexico. 1"x1" $2.00

SM004 or G491602 Calcite (Iceland Spar)

Clear rhombic cleavage showing double refraction. Mexico. 1 1/2 x1 1/4" $6.00

G492835 Calcite (crystal)

Crystal cluster, scalenohentral, 2"-3", Missouri $29.50 Temporarily Not Available

G490930 Celestite

Picture
Light blue crystal clusters, Madagascar 1" - 2" $27.50


G491247 Chrysocolla

Bright blue, massive, 3"-4" $27.50

SM007 or G491338 Cordierite (Iolite)

Polished 8mm cube showing bright color variation with crystallographic direction. (Dichroism) $20.00

SM006 or G491254 Copper Ore

Cut and finished slab of bright, native copper ore, average size 2" x 3". $20.00 Temporarily Not Available

G491255 Copper Tumbled Nuggets

Bright, tumbled, polished copper nuggets, 1'-1 1/2", Michigan $9.95

G491500 Dolomite

Picture
Pink, saddle shaped crystals on a 1 1/2"-2" matrix 
$15.25


G491555 Fayalite

Dark, iron rich olivine in a 2-3" magnetite ore matrix, Canada $12.95 Temporarily Out of Stock

G492843 Fluorapatite

Excellent green crystals on a 1 1/2-2" matrix, Canada $29.50

G491631 Fluorite (Crystalline)

Cubic crystal clusters 2-2 1/4", Illinois or Mexico $24.95

SM008 or G491645 Fluorite (Cleavage)

Picture
Octahedral cleavages, various colors, up to 3/4". 
Pack of 5 $8.00


SM009 or G491558 Forsterite (Olivine Bombs)

Dunite mantle xenolith fragments. Arizona. $15.95

G493220 Galena

Cubic to octahedral crystals on a 1-2" matrix, Missouri $29.95

SM010 or G492927 Gold

Pure native gold nugget. Alaska Avg. size 1/8" to 1/4" $25.00

G492941 Gold (In Rock)

Visible gold leaf in 1/2-3/4" rock matrix Various Localities $47.50

G493470 Gypsum

Blended sand selenite crystal clusters 2- 3 1/2", Mexico $10.95

Gypsum (Selenite Sand Rose)

Picture
Frosted selenite crystals in an attractive rose spray, 1.25 to 2", Mexico 
$6.95


G491996 Halite

Cubic crystal clusters, skeletal hopper form, 1" - 2", California, Nevada $13.95

Heulandite (Zeolite Group)

Pearly Heulandite crystal on matrix, India
2"x 2" SM061 $24.95 Each
2"x 3" to 3"x 4" SM061-1 $39.00 Each
Stock Number

2320-01 Iron (Native)

Picture
Polished slab showing abundant native Iron. Rarely occurs in native form in the earth
1". Russia.
$39.95


G491652 Kyanite

Bladed, blue to grey, 1 1/2-2", key metamorphic mineral, Brazil $9.95

G491654 Labradorite

Picture
Highly polished slab/end piece 1 1/2" to 2" showing brilliant labradorescence (Play of colors) Madagascar $17.50


G491656 Labradorite

Picture
Highly polished pebble shaped specimen showing brilliant labradorescence (Play of colors). Size 2" to 3". Madagascar. $29.95 


SM011 or G496168 Magnetite (Lodestone)

Natural magnet,  2"x 2" to 2"x3" Utah. $9.00

G491570 Malachite

Bright green crystal sprays of vivid copper carbonate on black matrix, 1 1/2-2", Morocco $16.95

G491553 Malachite

Cut slab with brilliant green banding, 3-4", Africa $49.95 Temporarily out of Stock

SM013 or G491665 Manganese Nodules

Picture
Black nodules showing exterior and interior surfaces. Pacific Ocean floor. 2" 
$25.00


SM014 or G491669 Manganese Nodules

Black nodules showing exterior and interior surfaces. Pacific Ocean floor. 2" to 3" $42.00

SM015 Mica

Phlogopite mica book, triboluminescent, emits sparks when hammered. 1 1/2" to 3". Canada. $12.80

G492780 Muscovite

Large thin cut sheets, transparent 6" x 6", India $16.75 Temporarily out of Stock

G495900 Platinum

Natural small silver grey nugget, up to 1/8", Alaska $45.00
Not Available at present time

2490-1 Platinum Crystal

Picture
Crude shaped crystal approximately 1/8" Russia.
$125.00


G493154 Pyrite (Cube)

Cubic crystal in a 2 3/4-4" chlorite matrix, it is a good example of prophyroblastic texture, Spain $26.50

G492660 Pyrite (Sun)

Bright nodular discs unique to the coal mines of Illinois, 2 3'4" Dia. $20.00

G492661 Pyrite (Sun in Black Shale)

Large, Bright nodular discs of pyrite in their natural black shale matrix, 2 3/4-3" $24.00 Temporarily Not Available

SM016 or G493165 Pyrite (Crystal Group)

Shiny, brass like, cubic and pyritohedral crystal clusters. Peru. 1 1/2" $10.00

SM017 or G493167 Pyrite (Crystal Group)

Shiny, brass like, cubic and pyritohedral crystal clusters. Peru. 3" $30.00

G493170 Pyrite

Unusual spherical discoids of bright inter-grown crystals 1-1 1/2", China $9.95

SM018 Perthite

Microcline cleavages, perthitic texture, 2" to 3 1/2". Perth. Canada. Call for Availability $16.00 Temporarily Out of Stock

G491336 Quartz (Citrine)

Picture
Golden yellow to dark amber crystals, 2" - 3", Brazil $24.95


SM020 or G493310  Quartz (Geode)

Cut and polished geode halves, agate or brown rims, crystal interiors. Mexico. 2 1/2" $14.00

SM020-1 Geode (Brown to Bluish)

Picture
Cut and polished Agate rimmed geode half with beautiful purple Amethyst crystal interiors. Specimen size approx. 2" to 3" diameter
$29.95


SM021 or G493312 Quartz (Geode)

Cut and polished geode halves, agate or brown rims, crystal interiors. Mexico. 4" $29.00

G493320 Quartz (Rock Crystal)

Clear crystal clusters showing excellent crystal form and terminations. 2" x 3" to 3" x 4". Various US or World localities. $39.00

SM023 or 4493324 Quartz (Smoky)

Sharp crystal clusters, brown induced by irradiation, avg. size  2 1/4" to 3 1/2" $50.00

G493325  Quartz (Tiger Eye)

Banded golden natural slab showing cat's eye properties, 1 1/2" x 2 3/4",  South Africa $18.50

G493645 Rhodochrosite

Beautiful deep pink polished slabs, 2-3", Argentina $49.50 Temporarily Not Available

SM024 or G490958 Scapolite (Meionite)

Metamorphic mineral, brilliant yellow fluorescence under longwave UV light. 2"x3". Quebec. $20.00

G495010 Selenite

Cut and polished clear sections with fiber-optic projection properties, 2", Morocco $9.95 Temporarily Out of Stock

G493350 Septarian Nodule

Cut and polished, clay carbonate nodule with radiating cracks filled with golden calcite,  5" dia. Utah $19.95

G492630 Sillimanite

Lenticular fibrous white crystal masses in a schist matrix, used to define high temperature metamorphic zones, 1-2", Colorado $14.95

SM025 Silver (in display box)

Pure native silver wires & clusters. 1/2" to 3/4".  Australia. $28.00

G492433 Silver slab

Abundant native silver in finished slabs, Canada 1 1/2" x 2" $49.50

G496120 Silver

Native silver crystal cluster, RARE, 1/2", Australia $46.00

G493775 Sphalerite Crystal Cluster

Dark brown, Sphalerite crystals on a Dolomite matrix, 1 1/2-2", Tennessee $29.00

G493815 Stibnite

Bright metallic bladed crystal sprays, 2-3", China $24.50 

Stilbite (Zeolite Group)

Crystal Cluster of Stilbite, India or New Jersey
2"x 2" SM060 $24.95 Each
2"x 3" to 3"x 4" SM060-1 $39.00 Each
Stock Number

G493881 Sulfur

Brilliant yellow crystals and coatings, 1 1/2-2 1/2", Bolivia $13.95 Temporarily Out of Stock

G491509 Tourmaline (Dravite)

Large brown double terminated crystal. 1 1/2" to 2". Australia $25.00

G491547 Tourmaline (Rubellite)

Deep pink crystal sprays in a 2-2 3/4" lepidolite matrix, California $27.50 Not Available at Present Time

G495625 Tourmaline (Rubellite)

Gemmy pink crystals of Tourmaline in milky quartz. Size 2" x 2" to 2" x 3" Brazil. $29.95

G496132 Tridymite

Small grey hexagonal crystals on a rhyolite matrix, 1 1/2-2", Utah $18.95

SM026 or G495005 Ulexite (TV stone)

Picture
Fiber optic, cut & finished samples, 1", California.
 $6.95


SM027 or G490956 Willemite

Zinc silicate, fluoresces green under shortwave UV light.  2 1/2" x 3 1/2".  New Jersey. $29.95

SM028 or G492063 Zeolite

Hydrous aluminosilicate, mixed varieties, 2 1/4" to 3". India.  $16.95

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