Igneous Rock Specimens
more photos coming soon
Geosource offers 4 different size/packages of Igneous rocks for your convenience Size specifications are shown below.
10 PK EACH: Rock is approximately 1" x 1" to 1" x 2" 10 pieces in a box or a resealable bag
.5 KG PACK: Rock pieces are various sizes in a resealable bag
LARGE SIZE: Each rock is approximately 2" x 3" to 3" x 4" in a box
LAB CHIPS FOR TESTING ETC: 30 Samples each 3/8" to 3/4" in a resealable bag
.5 KG PACK: Rock pieces are various sizes in a resealable bag
LARGE SIZE: Each rock is approximately 2" x 3" to 3" x 4" in a box
LAB CHIPS FOR TESTING ETC: 30 Samples each 3/8" to 3/4" in a resealable bag
Andesite (Hornblende Phenocrysts)
10 Pack [R1002],
.5KG [R1001],
Large Size [R1003],
Test Chips [R1001C]
.5KG [R1001],
Large Size [R1003],
Test Chips [R1001C]
Anorthosite (Grey Coarse Grained)
10 Pack [R1005],
.5KG [R1004],
Large Size [R1006],
Test Chips [R1004C]
.5KG [R1004],
Large Size [R1006],
Test Chips [R1004C]
Basalt (Flood Dark Grey Black)
10 Pack [R1008],
.5KG [R1009],
Large Size [R1090],
Test Chips [R1009C]
.5KG [R1009],
Large Size [R1090],
Test Chips [R1009C]
Basalt (Grey to Black Fine Grained)
10 Pack [R1011],
.5KG [R1010],
Large Size [R1012],
Test Chips [R1010C]
.5KG [R1010],
Large Size [R1012],
Test Chips [R1010C]
Basalt (Vesicular, Brown to Black with abundant vesicles)
10 Pack [R1014],
.5KG [R1013],
Large Size [R1015],
Test Chips [R1013C]
.5KG [R1013],
Large Size [R1015],
Test Chips [R1013C]
Breccia, Volcanic angular rock fragments in groundmass
10 Pack [R1087],
.5KG [R1088],
Large Size [R1089],
Test Chips [R1088C]
.5KG [R1088],
Large Size [R1089],
Test Chips [R1088C]
Carbonatite, coarse-grained - (Not available at this time)
10 Pack [R1017],
.5KG [R1016],
Large Size [R1018],
Test Chips [R1016C]
.5KG [R1016],
Large Size [R1018],
Test Chips [R1016C]
Dacite, porphyry-gray (Not available at this time)
10 Pack [R1020],
.5KG [R1022],
Large Size [R1019],
Test Chips [R1022C]
.5KG [R1022],
Large Size [R1019],
Test Chips [R1022C]
Diorite, medium-grained w/ hornblende
10 Pack [R1023],
.5KG [R1021],
Large Size [R1024],
Test Chips [R1021C]
.5KG [R1021],
Large Size [R1024],
Test Chips [R1021C]
Gabbro, coarse-grained, brown to black
10 Pack [R1026],
.5KG [R1025],
Large Size [R1027],
Test Chips [R1025C]
.5KG [R1025],
Large Size [R1027],
Test Chips [R1025C]
Granite, Graphic; shows good graphic texture in pink feldspar
10 Pack [R1029],
.5KG [R1028],
Large Size [R1030],
Test Chips [R1028C]
.5KG [R1028],
Large Size [R1030],
Test Chips [R1028C]
Granite, red, coarse-grained
10 Pack [R1032],
.5KG [R1031],
Large Size [R1033],
Test Chips [R1031C]
.5KG [R1031],
Large Size [R1033],
Test Chips [R1031C]
Granite, gray-white, Medium grained
10 Pack [R1035],
.5KG [R1034],
Large Size [R1036],
Test Chips [R1034C]
.5KG [R1034],
Large Size [R1036],
Test Chips [R1034C]
Granodiorite, gray, medium grained (Not available at this time)
10 Pack [R1038],
.5KG [R1037],
Large Size [R1091],
Test Chips [R1037C]
.5KG [R1037],
Large Size [R1091],
Test Chips [R1037C]
Monzonite, medium-grained quartz monsonite
10 Pack [R1040],
.5KG [R1039],
Large Size [R1041],
Test Chips [R1039C]
.5KG [R1039],
Large Size [R1041],
Test Chips [R1039C]
Obsidian, black lustrous
10 Pack [R1043],
.5KG [R1042],
Large Size [R1044],
Test Chips [R1042C]
.5KG [R1042],
Large Size [R1044],
Test Chips [R1042C]
Obsidian, brown and black banded
10 Pack [R1046],
.5KG [R1047],
Large Size [R1092],
Test Chips [R1047C]
.5KG [R1047],
Large Size [R1092],
Test Chips [R1047C]
Obsidian, "snowflake"
10 Pack [R1049],
.5KG [R1048],
Large Size [R1050],
Test Chips [R1048C]
.5KG [R1048],
Large Size [R1050],
Test Chips [R1048C]
Obsidian, pitchstone, black
10 Pack [R1052],
.5KG [R1051],
Large Size [R1053],
Test Chips [R1051C]
.5KG [R1051],
Large Size [R1053],
Test Chips [R1051C]
Pegmatite, (pink) very coarse grained with quartz, muscovite, and feldspar
10 Pack [R1122]
.5KG [R1123]
Large Size [R1124]
.5KG [R1123]
Large Size [R1124]
Pegmatite, (white) very coarse grained some black tourmaline (Not available at this time)
10 Pack [R1055],
.5KG [R1054],
Large Size [R1056],
Test Chips [R1054C]
.5KG [R1054],
Large Size [R1056],
Test Chips [R1054C]
Peridotite
10 Pack [R1058],
.5KG [R1057],
Large Size [R1059],
Test Chips [R1057C]
.5KG [R1057],
Large Size [R1059],
Test Chips [R1057C]
Peridotite
Pumice, tan to gray-white 100% of pieces float
Pumice, light gray
10 Pack [R1061],
.5KG [R1060],
Large Size [R1062],
Test Chips [R1060C]
.5KG [R1060],
Large Size [R1062],
Test Chips [R1060C]
Rhyolite, gray porphyry
10 Pack [R1064],
.5KG [R1065],
Large Size [R1095],
Test Chips [R1065C]
.5KG [R1065],
Large Size [R1095],
Test Chips [R1065C]
Rhyolite, pink to gray, fine-grained
10 Pack [R1067],
.5KG [R1066],
Large Size [R1068],
Test Chips [R1066C]
.5KG [R1066],
Large Size [R1068],
Test Chips [R1066C]
Scoria, reddish-brown to dark gray
10 Pack [R1070],
.5KG [R1069],
Large Size [R1071],
Test Chips [R1069C]
.5KG [R1069],
Large Size [R1071],
Test Chips [R1069C]
Syenite, gray, medium-grained no quartz
10 Pack [R1073],
.5KG [R1072],
Large Size [R1074],
Test Chips [R1072C]
.5KG [R1072],
Large Size [R1074],
Test Chips [R1072C]
Trachyte Porphyry, gray, porphyryitic large phenocrysts some show zoning
Trachyte Porphyry, gray, porphyryitic small phenocrysts
Trachyte, gray to red
10 Pack [R1076],
.5KG [R1075],
Large Size [R1077],
Test Chips [R1075C]
.5KG [R1075],
Large Size [R1077],
Test Chips [R1075C]
Tuff, light gray, fine-grained
10 Pack [R1079],
.5KG [R1078],
Large Size [R1080],
Test Chips [R1078C]
.5KG [R1078],
Large Size [R1080],
Test Chips [R1078C]
Vitrophyre(Obsidian Porphyry), dark, glassy with feldspar phenocrysts
10 Pack [R1082],
.5KG [R1081],
Large Size [R1083],
Test Chips [R1081C]
.5KG [R1081],
Large Size [R1083],
Test Chips [R1081C]
Volcanic Ash, light gray rock fragments in a mass of glass shards
10 Pack [R1085],
.5KG [R1084],
Large Size [R1086],
Test Chips [R1084C]
Not Avaliable at this time
.5KG [R1084],
Large Size [R1086],
Test Chips [R1084C]
Not Avaliable at this time
