Ex. Academy Of Natural Sciences, Philadelphia

15 results

Smithsonite
$1,500
 Farnberry Mine, England
A must for the Smithsonite collector, or collector of classic British minerals for that matter.  A large
Bornite
$900
 Carn Brea Mine, England
An excellent cabinet specimen whose top surface is entirely covered with lustrous, dark blue tinted Bornite
Quartz Var Smoky on Feldspar
$300
 Mourne Mountains, Northern Ireland
A pretty cluster of deep Smoky Quartz crystals to 16 mm, nestled in a coarse Feldspar and Quartz granite
Pyromorphite on Quartz
$875
 Roughton Gill Mine, England
A druse of translucent Quartz crystals, measuring to 5 mm, have a brown iron oxide coating that creates a
Fluorite on Quartz
$1,200
 Pell Mine, England
Classic Tetrahexahedral habit Fluorite probably from the Pell Mine (St. Agnes Consols), St. Agnes, Cornwall.
Cerussite
$750
 Roughton Gill Area, England
A specimen that has certainly been on its travels in historic collections and dealerships. The specimen is
Wulfenite
$1,500
 Erupcion Mine, Mexico
A fine specimen consisting of many blocky tabular well formed Wulfenite crystals to 1.2cm on
Sylvanite
$2,375
 Baia de Aries, Romania
A rich specimen of this rare Gold Telluride from the old (pre Roman?) mining area once called Offenbánya in
Fluorite With Quartz
$1,500
 Weardale, England
A tremendous specimen of Fluorite from the classic Fluorite area of Weardale in England. The Fluorite crystals
Adularia Feldspar
$2,100
 Medel Valley, Switzerland
A cabinet specimen of twinned Adularia from the famous Medel Valley, Switzerland. The Adularia is seen as a
Apatite With Quartz
$2,100
 Panasqueira Mine, Portugal
A matrix of Muscovite and Quartz is richly coated with sparkling pale blue Apatite crystals which interlock to
Fluorite With Calcite
$1,500
 Weardale, England
Translucent white Calcite crystals with silky lustre are perched prettily on gemmy, deep purple twinned
Mimetite
$400
 Dry Gill Mine, England
Rich coverage of yellowish green Mimetite crystals with wet looking lustre and measuring to 5mm in size, on a
Olivenite on Quartz
$850
 Wheal Unity, England
Pale green sparkling Olivenite has formed as a velvety botryoidal layer to over 5mm thick growing upon a
Native Copper
$500
 Cornwall, England
Very fine Native Copper crystals have grown in a pleasing dendritic formation. Labelled as Cornwall on the