Structural Arrangement and Properties of Spicules in Glass Sponges

Table 2

Elemental composition of C, O, Si. Cl, K in percentages by weight in basal spicule M. chuni (15–20) (Figure 5).

Spectrum number	C	O	Si	Cl	K	Total
Spectrum (15)	10.52	30.51	33.11		0.22	74.36
Spectrum (16)	6.02	24.64	31.60		0.27	62.52
Spectrum (17)	6.11	45.26	39.02		0.31	90.70
Spectrum (18)	12.20	25.90	29.63	0.27	0.22	68.23
Spectrum (19)	16.48	27.49	30.24	0.22	0.25	74.69
Spectrum (20)	24.79	35.13	31.85	0.39	0.27	92.43