VICTORIAN MINERALS,—CASE XIV. 81 
being unknown in recent sedimentary and volcanic rocks. 
It is a consti- 
tuent of schorl-rock, and occurs in granite, mica-schist, topaz-rock, &c. 
It occasionally occurs in sandstone, but only in the neighborhood of 
intruded rocks. 
32. Topaz. 
Dunolly. (2) 
Occurs in the gold drifts. 
32a. TOPAZ. 
Bradford Lead, Maldon. 
32g. Topaz (polished). 
From the same locality. 
. 83. Zircon (Hyacinth). 
Map No. M 37. 
Teatree Creek, Lancefield. }slicet 
5 N.E. 
Occurs in the sand from the bottom 
of some holes sunk'in a drift resting on 
basalt. ‘The crystal is a combination of 
the square prism with the double four- 
sided pyramid. 
34. Topaz, SAPPHIRE, 
Gorn, &c. Map No. M35. 
Separated from the black sand from 
the Campaspe River, below Mitchell’s 
Diggings, parish of Redesdale. 4 sheet 
13 S.E. 
ZIRCON, 
35. ZIRCONS. 
Dandenong. 
86. SAPPHIRES. 
From a tributary of the Gellibrand 
River, Cape Otway. 
Presented by J. M. Allan, Esq. 
87. SAPPHIRES. 
Beechworth, 
Presented by Mr. Dunn, 3 | 12 | 64, 
38. ORIENTAL AMETHYST (Ruby— 
Species of Sapphire). 
Pakenham, Dandenong District. 
Hexagonal prism with rhombohedral 
planes. 
Presented by the Rey. Dr. Bleasdale. 
384. BLACK CoruNDUM. 
Dandenong Goldfield. 
38s. Emery (Massive Black 
Corundum). 
Koh-i-noor Claim, Ballarat. 
Occurs in the gold drift, 
Note.—Corundum occurs abundantly in the drifts of nearly all the — 
goldfields in half angular, or roundish pieces, often nearly the size of a 
large bean. 
crystal and cleavage planes. 
times over 9. 
No. 38, gave— 
Silica 
Alumina ... ay 
Sesqui-oxide of iron 
Magnesia ... see 
Water ioe TX 
380. GARNET CRYSTALS in 
QUARTZ. 
Bradford Lead, Maldon. 
- These crystals are apparently not 
very rare in pebbles and crystals of 
smoky and transparent quartz in a cer- 
tain portion of the Bradford Lead. 
Tt has a conchoidal fracture, with (very rarely) indistinct 
Specific gravity, 3'98; hardness, some- 
An analysis, by Mr. J. Cosmo Newbery, of Specimen 
5°35 
67°37 
28°04 
0°30 
0°61 

101°67 

They vary in size from a small pins 
head to that of a small pea, and their 
general form is a combination of the 
leucitohedron with the rhombic dodeca- 
hedron. 
38D. GARNET SAND. 
Hell’s Corner, Baynton’s Station. 
G 
