Exotic Igneous Rocks

Kimberlites, nephelinites, xenoliths, etc.

X001

Xenolith (veined peridotite)

Bulfontein Mine, Kimberly, South Africa

ppl 2 mm

xpl 2 mm

ppl 2 mm

Mca

xpl 2 mm

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

BD3108

Xenolith

ppl 2 mm

xpl 2 mm

X008

Xenolith

ppl 2 mm

xpl 2 mm

BD857

Kimberlite lava

Igwisi, Tanzania

ppl 2 mm

Toothy boundary

xpl 2 mm

99SG3

Kimberlite

South Africa

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

BD4101

Olivine lamproite

ppl 8 mm

ppl 2 mm

xpl 2 mm

Single-crystal Phl

xpl 2 mm

BD1976

Hypabyssal-facies Group II kimberlite

South Africa

ppl 8 mm

xpl 8 mm

ppl 2 mm

xpl 2 mm

R278

Ijolite

Chilwa Island, Malawi

ppl 8 mm

xpl 8 mm

ppl 8 mm

Zoned Adr

xpl 8 mm

ppl 2 mm

Adr

xpl 2 mm

MR318

Nephelinite dyke

Ol Doinyo Lengai, Tanzania

ppl 2 mm

xpl 2 mm

ppl 1 mm

xpl 1 mm

ppl 2 mm

xpl 2 mm

ppl 2 mm

Combeite

xpl 2 mm

EA 9035

Silicate ejecta

Ol Doinyo Lengai, Tanzania

ppl 2 mm

xpl 2 mm

Anomalous birefringence

xpl 2 mm

O6SG01

Spinel harzburgite

Lanzarote, Canary Islands

ppl 2 mm

xpl 2 mm

Natrocarbonatite

ppl 8 mm

xpl 8 mm

Nph, Mll, and Ol

00322

Basanite

Tenerife, Canary Islands

ppl 1 mm

xpl 1 mm

Titanaugite (hourglass twin)