Elemental Bones: The Science Behind The Silver Skull

Most of us, myself included, tend to think of bone as a static thing — a skeleton in a museum, a Halloween decoration, or the remains from a meal. But once separated from life, bone loses what makes it extraordinary: it’s alive.

Our bones are constantly being remodeled. They grow, reshape, and adapt according to age, use, and even disease. In THE SILVER SKULL, I wove this living nature of bone into the story’s science — from osteoblasts and osteoclasts to the alchemical twist of antimony.

Let’s start with a quick anatomy refresher before diving into the curious and strange.

 

The Builders and Breakers of Bone

Two major cell types keep your bones in balance:

Osteoblasts build new bone.
Osteoclasts break it down.

Together, they maintain a dynamic equilibrium. About 10% of your adult bone is replaced every year (and nearly 20% in youth). This constant turnover keeps your skeleton strong and ensures your blood calcium stays in check — vital for nerve and muscle function, including your heartbeat.

Too much bone breakdown or buildup, and you end up in a disease state. It’s all about homeostasis — your body’s way of keeping things balanced.

 

The Role of Vitamins: D and C

You’ve heard the old advice: drink your milk for strong bones. That’s because calcium and Vitamin D work hand in hand. Without vitamin D, the body can’t properly deposit calcium, leading to rickets, a condition where bones soften and bow under body weight.

Vitamin D can come from your diet, supplements, or sunshine. But depending on how far north or south you live, sunlight may only help part of the year.

Bones also rely on vitamin C, essential for osteoblasts to make collagen — the flexible framework where calcium and phosphate crystals form. Without enough vitamin C, collagen production falters, leading to scurvy, bone loss, and those infamous loose teeth sailors dreaded.

 

Growing Bones: The Epiphyseal Cartilage

When we grow, bones lengthen at their ends — the epiphyseal cartilage. Damage here during childhood can halt growth in that area, resulting in uneven limbs.

Sex hormones also play a role: estrogen causes this cartilage to close earlier, which is one reason why women tend to be shorter than men on average.

 

The Structure of Bone

Beneath the surface lies the periosteum, a fibrous membrane covering the bone. It’s here that osteoblasts and osteoclasts get to work.

Osteoblasts secrete a soft organic material called osteoid, made mostly of collagen. Onto this framework, calcium phosphate crystals — hydroxyapatite — are deposited, hardening the bone. Collagen adds flexibility, while hydroxyapatite adds strength. Together, they form a structure on par with steel-reinforced concrete — but far superior, because bone can heal itself.

 

Wolff’s Law: Use It or Lose It

German surgeon Julius Wolff (1836–1902) demonstrated that bone adapts to the forces placed upon it. Weight training stimulates osteoblasts to strengthen bone, while inactivity leads to weakness and loss.

Your bones listen to your lifestyle.

 

When Growth Goes Awry

Pituitary dwarfism occurs when too little growth hormone is produced, leading to a proportional but smaller body.

Gigantism results from overproduction of growth hormone before puberty, while acromegaly occurs after bone growth ends — causing enlarged hands, feet, and facial features.

 

Heavy Metals and the Skeleton

Bone isn’t picky — it can incorporate other elements that resemble calcium. Heavy metals like strontium, cobalt, uranium, or plutonium can replace calcium in the bone matrix. When bone remodels, these elements can be released back into the bloodstream, sometimes decades later.

After the Chernobyl disaster in 1986, radioactive isotopes lodged in bones caused long-term radiation exposure and increased cancer risk.

 

Antimony and The Silver Skull

In THE SILVER SKULL, I took this principle and replaced phosphate in bone with antimony — a toxic metalloid that shares a column on the periodic table with phosphorus and arsenic.

Antimony (Sb) is gray, lustrous, and dangerous in large amounts. China produces most of the world’s supply, followed by Russia. Historically, antimony compounds were used medicinally to treat parasitic diseases — and yes, sometimes as poison.

In my story, the Osforarre Apparatus injects antimony directly into the periosteum, where it’s immediately incorporated into bone. A scientific impossibility — and a narrative catastrophe. The character who first tested the device becomes ill with bone tumors as antimony slowly leaches into his bloodstream.

 

Osteogenesis Imperfecta: Brittle Bone Disease

The invention in THE SILVER SKULL was meant to cure the hero’s sister, Elizabeth, who suffers from osteogenesis imperfecta (OI) — literally “imperfect bone beginnings.” In this congenital condition, osteoblasts produce malformed collagen, preventing proper mineralization and making bones fragile.

Patients may have blue-tinged eyes, short stature, hearing loss, and brittle teeth. There are eight known types of OI, varying from mild to severe. Sadly, there’s still no cure — only management through lifestyle and care.

 

Bone Marrow and the Villain’s Design

Bone marrow, found in the iliac crest (that ridge you feel when you put your hands on your hips), produces blood cells — and holds stem cells that can become osteoblasts.

In the novel, the villain extracts Elizabeth’s marrow to harvest and modify these cells in his pursuit of a permanent cure — a blend of scientific ambition and moral corruption.

 

Elemental Bones in Fiction

Real science is the spark behind my steampunk worlds. The living physiology of bone, the delicate balance between life and decay within our skeletons, and the peril of tampering with elemental matter—all helped shape THE SILVER SKULL.