352 SUPPLEMENT TO DESCRIPTIONS OF SPECIES. 
ealamine, vanadinite, blende! mimetite! descloizite, géthite, chryso. 
colla, native copper, malachite, azurite, limonite , calcite, sulphur, py- 
rite, melaconite, pseudomalachite, gersdorlite, chalcocite ? covellite. 
THORNBURY. —On Jos. H. Brinton’ s farm, muscovite containing acic- 
ular crystals of tourmaline, rutile, titaniferous iron. 
TREDYFFRIN.—Pyrite in cubic crystals loose in the soil. 
. UwceHLan.—Massive blue quartz, graphite. 
WARREN.— Melanite, feldspar. 
West GOSHEN (one mile from West Chester).—Chromite. 
WILLISTOWN.— Magnetite, chromite, actinolite, asbestus. 
West Town.—On the serpentine rocks, 8 miles 8. of West Ches- 
ter, clinochlore / jefferisite / mica, asbestus, actinolite, magnesite, talc, 
titaniferous iron, magnetite and massive tourmaline. 
East WHITELAND.—Pyrite, in cubic crystals, quartz crystals. 
West WHITELAND. —At Gen. Trimble’s iron mine (southeast), stal- 
actitic hematite! wavellite/ / in radiated stalactites, gibbsite, coeruleo- 
lactile. 
Warwick.—At the Elizabeth mine and Keim’s old iron mine 
adjoining, one mile N. of Knauertown, aplome garnet! in brilliant 
dodecahedrons, flosferri, pyroxene, micaceous hematite, pyrite in bright 
octahedral crystals in calcite, chrysocolla, chalcopyrite massive and in 
single tetrahedral crystals, magnetite, fiscicular hornblende ! bornite, 
malachite, brown garnet, calcite, byssolite / serpentine ; near the village 
of St. Mary’s, magnetite in dodecahedral crystals, melanite, garnet, 
actinolite in smali radiated nodules ; at the Hopewell iron mine, one 
mile N. W. of St. Mary’s, magnetite in octahedral crystals. 
COLUMBIA CO.—At Webb's mine, yellow blende in calcite; near 
Bloombure, eryst. magnetite. 
DAUPHIN CO.—NEAaR HuMMERsTOWN.—Green garnets, cryst. 
smoky quartz, feldspar. 
DELAWARE CO.—Aston TownsHire.—Amethyst, corundum, eme- 
rylite, staurolite, fibrolite, black tourmaline, margarite, sunstone, asbes- 
tus, anthophyllite, steatite; near Tyson’ mill, garnet, staurolite ; at 
Peter’s milldam in the creek, pyrope garnet. 
BIRMINGHAM. —/ibroiite, kaolin (abundant), crystals of rutile, ame- 
thyst ; at Bullock’s old quarry, zircon, bucholzite, nacrite, yellow crys- 
tallized quartz, feldspar. 
BuLuE Hitu.—Green quartz crystals, spinel. 
CHESTER.—Amethyst, black tourmaline, beryl, crystals of feldspar, 
girnet, eryst. pyrite, molybdenite, molybdite, chalcopyrite, kaolin, ura- 
ninite, muscovite, orthoclase, bismutite. 
CHICHESTER.—Near Trainer’s milldam, beryl, tourmaline, crystals 
of feldspar, kaolin ; on Wm. Hyre’s farm, towrmaline. 
ConcorD.—Mica, feldspar, kaolin, drusy quartz, meerschaum, stel- 
lated tremolite, anthophyllite, fibrolite, acicular crystals of rutile, py- 
rope in quartz, amethyst, actinolite, manganesian garnet, beryl; in 
Grecn’s creek, pyrope garnet. 
DarBy.—Blue and gray cyanite, garnet, staurolite, zoisite, quartz, 
beryl, chlorite, mica, limonite. 
KDGEMONT.— Amethyst, oxide of manganese, crystals of feldspar; 
one mile east of Edgemont Hall, rutile in quartz. 
GREEN’S CREEK.—(Carnect (so-called pyrope). 
MAVERFORD.—Staurolite with garnet. 
