ANHYDROUS SILICATES. 
177 
1082. Labradorite, or Labra¬ 
dor Felspar (^Silicate of Alumina^ 
Soda, and Lime), rough specimen. 
Coast of Labrador, North America. 
1083. Labradorite, one of the 
earliest specimens of the mineral 
brought to this country. 
Labrador. 
Presented by J. C. La Trobe. 
1084 and 1085. Labradorite, 
polished. 
Labrador. 
(Nos. 1083 to 1085 placed in the cases 
beneath ) 
1086 and 1087. Labradorite, 
polished. 
Labrador. 
1088. Labradorite of fine blue 
colour. 
Presented by J. C. La Trobe. 
1089. Labradorite, with Dial¬ 
lage, or ‘‘Labrador Hornblende.” 
Coast of Labrador. 
Presented by J. C. La Trobe. 
(Placed in the case beneath.) 
1090. Amphodelite, a variety 
of Anorthite, or Lime Felspar. 
Arendal, Norway. 
1091. ScAPOLiTE, Wernerite, 
or Pyramidal Felspar {Silicate of 
Alumina and Lime). 
Arendal, Norway. 
1092. SCAPOLITE. 
Arendal, NorvKiy, 
1093. ScAPOLiTE, large de¬ 
tached crystal. 
Laurinkavi I., Finland. 
1094. SCAPOLITE, crystallized 
with Hornblende. 
Ersby, Paryas, Finland. 
1095. Spodumene, or Triphane 
{Silicate of Alumina and Litliid). 
Chesterfield, Massachusetts. 
1096. Leucite {Silicate of 
Alumina and Potash), in icosi- 
tetrahedral crystals. 
Rocca Monfina, Naples. 
1097. Leucite, crystals em¬ 
bedded in Lava, from the dykes. 
Monte di Ottajana, Naples. 
1098 and 1099. Trachytic La¬ 
va, composed chiefly of Felspar. 
Largely quarried for millstones at 
Niedermendig, near Andernach, 
on the Rhine. 
1100. P^le’sHair, Lava which, 
when in a highly fluid condition, 
has been blown by the wind into 
delicate capillary fibres. 
Hawaii. 
Presented by Mr. Pease. 
1101. Obsidian, or Volcanic 
Glass. 
Mexico. 
1102. Obsidian Mexican Knife. 
1103. Obsidian, green, weather¬ 
ing with blue surface. 
Guilford Hills, between Boswell 
and Hamilton, Tasmania. 
1104. Obsidian and Pitch- 
stone intermixed, showing the 
formation of stony matter in the 
volcanic glass. 
Guilford Hills, Tasmania. 
Nos. 1103 and 1104 presented by Dr. 
Milligan. 
1105. Lapis-lazuli (/S'^7^caife of 
Alumina, JAme, and Soda, ivith 
Sulphide of Sodiimi). 
Peru. 
(Placed in the case beneath). 
1106. Lapis-lazuli, withCalcite 
and Iron Pyrites. 
Central Asia. 
1107. Lapis-lazuli, fine co¬ 
lour. 
Central Asia. 
1108. Lapis-lazuli, polished. 
Persia. 
1109. Lapis-lazuli, with Iron 
Py rites, mounted in marble. 
Presented by J. Bragg. 
1110. Lapis-lazuli, carved 
slab, Chinese workmanship. 
Presented by Dr, Lockhart. 
1111 and 1112. Small Egyp¬ 
tian Figures in Lapis-lazuli. 
1113. Ultramarine, prepared 
from the Lapis-lazuli. 
Value about five guineas per ounce. 
M 
