Browse Encyclopaedia by Subject
Abbreviations
Actors
Aircraft
Architecture
Computer Viruses
Costume
Dictionary
Food & Drink
Gazetteer
General Information
Heraldry
Language
Latin
Medicine
Money
Movies
Music
Mythology
Nature
People
Recreation
Rocks & Minerals
SciTech
Shakespeare
Ships
Slang
Warfare

Free Photographs

Antiquarian Map Archive

The Probert Encyclopaedia of Rocks & Minerals

PORTER

Porter (black and gold) is a type of marble found in the Apennines. Porter has a black background clouded with grey and is strongly veined with chain-like formations in yellow - whence it's alternative name of 'black and gold'.
Research Porter

 
Your host - Matt Probert

The Probert Encyclopaedia was designed, edited and programed by Matt and Leela Probert

©1993 - 2009 The Probert Encyclopaedia

Southampton, United Kingdom

 
Home  Publishers  Quiz  Products  Photos  FAQ  Privacy Policy  Add URL Contact  Site Map