156 
NON-METALLIC MINERALS. 
456. Calcite, in prism, termi¬ 
nated by rliomboliedron, the crys¬ 
tals being “ capped.” 
Huel Wreij. 
457. Calcite, in opaque white 
crystals, with Quartz, and Iron 
Pyrites. 
Herodsfoot Mine, near Liskeard. 
458. Calcite, in large trans¬ 
parent rhombohedrons. 
Milltown Lead Mine, Co. Clare ,. 
Ireland. 
Presented by W. W. Smyth, F.R.S. 
(Placed in the case beneath). 
459. Calcite. 
Andreasberg, Hartz, 
Carbonate 
464. Stalagmitic Carbonate 
OP Lime. 
From the iron mines of Mitchel 
Dean, Gloucestershire. 
465. Stalagmitic Carbonate 
OF Lime, a polished section. 
Suisan Day, California. 
Presented by E. Seyd. 
466. Onyx Marble, a stalag¬ 
mitic Carbonate of Lime, rough 
specimen. 
Near Tafna, Algeria. 
Presented by James Caird, M.P. 
467 and 468. Onyx MxVrble, 
polished slabs. 
Algeria. 
Prom the Paris Exhibition, 1855. 
469. Onyx Marble, worked 
into an oval Dish. Said to be 
from the same quarries which 
formerly supplied Rome and Car¬ 
thage. 
Oued Abdallah, Oran, Algeria. 
Prom the International Exhibition, 
1862. 
(Placed in the case beneath.) 
470. ScHiEFER Spar, a lamel¬ 
lar or slaty variety of Carbonate 
of Lime, occurring in a lead lode 
in Granite. 
Seven Churches, Co, Wickloiv. 
460. Calcite. 
Traversella, Piedmont. 
461. Iceland Spar, transparent 
rhombohedral Calcite, exhibiting 
double refraction. 
Iceland. 
462. Iceland Spar, or Doubly- 
refracting Spar. 
Iceland. 
Presented by His Grace the Duke of 
Devonshire, K.G., &c. 
463. Hislopite, rhombohedral 
Calcite, coloured green by hydrous 
silicate of iron, or Glauconite. 
Western India.. 
Presented by Dr. Carter. 
I. 
^ Lime, &c. 
471. Pisolite, or Peastone, a 
concretionary Carbonate of Lime, 
Deposited from the springs of 
Cailsbad, Bohemia. 
472. Snuff Box, formed of 
Eyestone,” a calcareous deposit 
From the Roman States. 
473 and 474. Fontainebleau 
Sandstone, Carbonate of Lime 
cementing grains of Sand into 
rhombohedral forms. 
Forest of Fon tainebleau. 
475. Carrara Marble. 
476 to 478. Yarieties of Mar¬ 
ble. 
(Nos. 475 to 478 placed in the cases 
beneath.) 
479. Landscape Marble, an 
argillaceous limestone exhibiting 
dendritic markings. 
From the Lower Lias, Cotliam, 
near Bristol. 
480 and 481. Fire Marble, or 
Lumachella, 
From the Lead Mines of Bleiberg, 
Carinthia. 
482. Casket of Fire Marble. 
483 and 484. Giallo Antico, 
or Yellow Marble of Sienna. 
Tuscany, 
