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Igneous Rock Specimens

Andesite (Hornblende Phenocrysts)

10 Pack [R1002], 
.5KG [R1001], 
Large Size [R1003], 
Test Chips [R1001C]

Anorthosite (Grey Coarse Grained)

10 Pack [R1005], 
.5KG [R1004], 
Large Size [R1006], 
Test Chips [R1004C]

Basalt (Flood Dark Grey Black)

10 Pack [R1008], 
.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]

Basalt (Vesicular, Brown to Black with abundant vesicles)

10 Pack [R1014], 
.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]

Carbonatite, coarse-grained 

10 Pack [R1017], 
.5KG [R1016],
Large Size [R1018],
Test Chips [R1016C]

Diorite, medium-grained w/ hornblende

10 Pack [R1023], 
.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]

Granite, Graphic; shows good graphic texture in pink feldspar

10 Pack [R1029], 
.5KG [R1028], 
Large Size [R1030], 
Test Chips [R1028C]

Granite, red, coarse-grained

10 Pack [R1032], 
.5KG [R1031], 
Large Size [R1033], 
Test Chips [R1031C]

Granite, gray-white, Medium grained

10 Pack [R1035], 
.5KG [R1034], 
Large Size [R1036], 
Test Chips [R1034C]

Monzonite, medium-grained quartz monsonite

10 Pack [R1040], 
.5KG [R1039], 
Large Size [R1041], 
Test Chips [R1039C]

Obsidian, black lustrous

10 Pack [R1043], 
.5KG [R1042], 
Large Size [R1044], 
Test Chips [R1042C]

Obsidian, brown and black banded

10 Pack [R1046], 
.5KG [R1045], 
Large Size [R1047], 
Test Chips [R1045C]

Obsidian, "snowflake"  

10 Pack [R1049],
.5KG [R1048], 
Large Size [R1050], 
Test Chips [R1048C]

Obsidian, pitchstone, black

10 Pack [R1052], 
.5KG [R1051], 
Large Size [R1053], 
Test Chips [R1051C]

Pegmatite, (white) very coarse grained some black tourmaline

10 Pack [R1055], 
.5KG [R1054],
Large Size [R1056], 
Test Chips [R1054C]

Peridotite

10 Pack [R1058], 
.5KG [R1057], 
Large Size [R1059], 
Test Chips [R1057C]

Pumice, light gray 

10 Pack [R1061], 
.5KG [R1060], 
Large Size [R1062], 
Test Chips [R1060C]

Rhyolite, pink to gray, fine-grained

10 Pack [R1067],
.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]

Syenite, gray, medium-grained no quartz

10 Pack [R1073], 
.5KG [R1072], 
Large Size [R1074], 
Test Chips [R1072C]

Trachyte, gray to red

10 Pack [R1076], 
.5KG [R1075], 
Large Size [R1077], 
Test Chips [R1075C]

Tuff, light gray, fine-grained

10 Pack [R1079], 
.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]
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