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When you were born your government forged

Prior to the 17th century most money was commodity money, typically gold or silver. As the first public bank to offer accounts not directly convertible to coin

The Quartz Page: Growth Forms

Rykart (Rykart, 1995) subsumes various split growth forms of quartz crystals under the German term 'Sprossenquarz', coined by Stalder in 1975, which translates to

GEMSTONE FACTSAwesomeGems.comBlue

We can supply Appraisals and/or Gemological Laboratory Certificates on any gem we sell, if requested. Many of our Gems already have a Gem Identification Reports

Crappy Mohs Scale of Crunchy Mamas

Ever wonder how crunchy of a parent you are? Well, never fear. Introducing: The Crappy Mohs Scale of Crunchy Mamas NOW WITH MORE SCIENCE!*

Minerals, Rocks & Rock Forming Processes

This diagram shows the main groups of igneous rocks, their main mineral constituents and their intrusive (cooling in the crust) and extrusive (cooling as lava flow

Fossil Coral InformationGemSelect

Fossil coral is coral which has been replaced by cryptocrystalline quartz and is no longer 'coral' at all. Coral gemstones belong to a small, but important group of

Glossary of Terms: PPhysical Geography

Citation: Pidwirny, M. (2006). 'Glossary of Terms: P'. Fundamentals of Physical Geography, 2nd Edition. Date Viewed.

How Do We Know That It's a Rock From the Moon?

How Do We Know That It's a Rock From the Moon? Many people have approached us over the years wanting to know if a rock that they possess is a Moon rock.

World Atlas of Sands » Sand

Everybody knows sand from the summer time on the beach, as construction material or raw material for glass making. Talking about beach sand, did you ever notice that

Geology Flashcards | Quizlet

Although color is generally the most conspicuous characteristic of any mineral, it is considered a diagnostic property of only a few minerals.


Waterberg District Environmental Management Framework Draft EMF Report 9 PART A: INTRODUCTION AND SUMMARY OF THE STATUS QUO REPORT


Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is by mass the most common

Words whose second letter is Y

Words whose second letter is Y . Ay (interj.) Ah! alas! Ay (adv.) Same as Aye. Ayah (n.) A native nurse for children; also, a lady's maid. Aye (adv.) Alt. of Ay

Bob's Rock Shop: Table of Contents

Welcome to Bob's Rock Shop About the Shop, Contributors, Submissions and Copyrights Rock Trader Classifieds Check Out These Free, Form Accessible Classified Ads for


A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition, whereas a

What is sand made ofSandatlas

Heavy mineral sand from Sri Lanka which contains lots of different minerals. Width of view 20 mm. Sand is a very versatile mixture. We have much more than mineral

The Quartz Page: Quartz as a Rock-Forming Mineral

For example, a rock that is entirely made of albite, NaAlSi 3 O 8, a feldspar, has 0 quartz content, but contains 77.3 silica (weight percent). It was once

Minerals facts, information, pictures |

MINERALS CONCEPT. A mineral is a naturally occurring, typically inorganic substance with a specific chemical composition and structure. An unknown mineral usually can

Gemstone TerminologyEarth Mother Crafts

Terminology *Information regarding gemstone lore and metaphysical properties has been compiled from various sources and is for entertainment purposes only.

Knife Anatomy, Parts, Names by Jay Fisher

Knife Anatomy, names, components, parts, descriptions, definitions, terms, with illustrations, annotated photographs, and important information for all who are

Meteorite Hunting: Finding the West, Texas Fireball

METEORITE HUNTING: THE SEARCH FOR SPACE ROCKS With a special report on the West, Texas fireball The seventh in a series of articles by Geoffrey Notkin, Aerolite

Porter GeoConsultancyOre Deposit Description

Regional Setting The >500 km long Lufilian Arc is a structural element imposed upon the rocks of the Katanga fold belt in western Zambia and southern DRC during the

Prospects look good in north Queensland

AusGeo News September 2005 Issue No. 79. Prospects look good in north Queensland. By David Champion . Geoscience Australia is releasing updated datasets of

Singular Nouns Starting with N

Singular Nouns Starting with N. N (n.) A measure of space equal to half an M (or em); an en. Nab (n.) The summit of an eminence. Nab (n.) The cock of a gunlock.

List of MineralsSandatlas

1.2 Sheet silicates (phyllosilicates) An important group of minerals, especially within the topmost 20 kilometers of the crust. All sheet silicates are hydrous.

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40 common minerals & their usesGold-Traders

Additional Gold Information. 40 common minerals & their uses; Coin collecting 101; Coin Collecting: Gold, Silver and More! Coins of India; Egypt: The Land of Devine Gold

RefractometerThe Gemology Project

Light (1) enters through the rear of the refractometer through an opening (1a) in (or before) which a yellow sodium filter can be placed. It then hits a mirror (2

Relative Mining Equipments